638424912

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{5431}}^1$

素因数の和:5552

約数の個数: 80

約数和(自身を含む): 1724334080

約数和(自身を除く): 1085909168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 79, 93, 124, 158, 186, 237, 248, 316, 372, 474, 496, 632, 744, 948, 1264, 1488, 1896, 2449, 3792, 4898, 5431, 7347, 9796, 10862, 14694, 16293, 19592, 21724, 29388, 32586, 39184, 43448, 58776, 65172, 86896, 117552, 130344, 168361, 260688, 336722, 429049, 505083, 673444, 858098, 1010166, 1287147, 1346888, 1716196, 2020332, 2574294, 2693776, 3432392, 4040664, 5148588, 6864784, 8081328, 10297176, 13300519, 20594352, 26601038, 39901557, 53202076, 79803114, 106404152, 159606228, 212808304, 319212456, 638424912]

約数ペア:

[(1, 638424912), (2, 319212456), (3, 212808304), (4, 159606228), (6, 106404152), (8, 79803114), (12, 53202076), (16, 39901557), (24, 26601038), (31, 20594352), (48, 13300519), (62, 10297176), (79, 8081328), (93, 6864784), (124, 5148588), (158, 4040664), (186, 3432392), (237, 2693776), (248, 2574294), (316, 2020332), (372, 1716196), (474, 1346888), (496, 1287147), (632, 1010166), (744, 858098), (948, 673444), (1264, 505083), (1488, 429049), (1896, 336722), (2449, 260688), (3792, 168361), (4898, 130344), (5431, 117552), (7347, 86896), (9796, 65172), (10862, 58776), (14694, 43448), (16293, 39184), (19592, 32586), (21724, 29388)]