821700012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:852

約数の個数: 144

約数和(自身を含む): 2343183360

約数和(自身を除く): 1521483348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 61, 62, 84, 93, 98, 122, 124, 147, 183, 186, 196, 217, 244, 294, 366, 372, 427, 434, 588, 651, 732, 739, 854, 868, 1281, 1302, 1478, 1519, 1708, 1891, 2217, 2562, 2604, 2956, 2989, 3038, 3782, 4434, 4557, 5124, 5173, 5673, 5978, 6076, 7564, 8868, 8967, 9114, 10346, 11346, 11956, 13237, 15519, 17934, 18228, 20692, 22692, 22909, 26474, 31038, 35868, 36211, 39711, 45079, 45818, 52948, 62076, 68727, 72422, 79422, 90158, 91636, 92659, 108633, 135237, 137454, 144844, 158844, 160363, 180316, 185318, 217266, 270474, 274908, 277977, 315553, 320726, 370636, 434532, 481089, 540948, 555954, 631106, 641452, 946659, 962178, 1111908, 1122541, 1262212, 1397449, 1893318, 1924356, 2208871, 2245082, 2794898, 3367623, 3786636, 4192347, 4417742, 4490164, 5589796, 6626613, 6735246, 8384694, 8835484, 9782143, 13253226, 13470492, 16769388, 19564286, 26506452, 29346429, 39128572, 58692858, 68475001, 117385716, 136950002, 205425003, 273900004, 410850006, 821700012]

約数ペア:

[(1, 821700012), (2, 410850006), (3, 273900004), (4, 205425003), (6, 136950002), (7, 117385716), (12, 68475001), (14, 58692858), (21, 39128572), (28, 29346429), (31, 26506452), (42, 19564286), (49, 16769388), (61, 13470492), (62, 13253226), (84, 9782143), (93, 8835484), (98, 8384694), (122, 6735246), (124, 6626613), (147, 5589796), (183, 4490164), (186, 4417742), (196, 4192347), (217, 3786636), (244, 3367623), (294, 2794898), (366, 2245082), (372, 2208871), (427, 1924356), (434, 1893318), (588, 1397449), (651, 1262212), (732, 1122541), (739, 1111908), (854, 962178), (868, 946659), (1281, 641452), (1302, 631106), (1478, 555954), (1519, 540948), (1708, 481089), (1891, 434532), (2217, 370636), (2562, 320726), (2604, 315553), (2956, 277977), (2989, 274908), (3038, 270474), (3782, 217266), (4434, 185318), (4557, 180316), (5124, 160363), (5173, 158844), (5673, 144844), (5978, 137454), (6076, 135237), (7564, 108633), (8868, 92659), (8967, 91636), (9114, 90158), (10346, 79422), (11346, 72422), (11956, 68727), (13237, 62076), (15519, 52948), (17934, 45818), (18228, 45079), (20692, 39711), (22692, 36211), (22909, 35868), (26474, 31038)]