209507796

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 601735680

約数和(自身を除く): 392227884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 81, 93, 102, 108, 124, 153, 162, 186, 204, 243, 279, 306, 324, 372, 409, 459, 486, 527, 558, 612, 818, 837, 918, 972, 1054, 1116, 1227, 1377, 1581, 1636, 1674, 1836, 2108, 2454, 2511, 2754, 3162, 3348, 3681, 4131, 4743, 4908, 5022, 5508, 6324, 6953, 7362, 7533, 8262, 9486, 10044, 11043, 12679, 13906, 14229, 14724, 15066, 16524, 18972, 20859, 22086, 25358, 27812, 28458, 30132, 33129, 38037, 41718, 42687, 44172, 50716, 56916, 62577, 66258, 76074, 83436, 85374, 99387, 114111, 125154, 128061, 132516, 152148, 170748, 187731, 198774, 215543, 228222, 250308, 256122, 342333, 375462, 397548, 431086, 456444, 512244, 563193, 646629, 684666, 750924, 862172, 1026999, 1126386, 1293258, 1369332, 1689579, 1939887, 2053998, 2252772, 2586516, 3080997, 3379158, 3879774, 4107996, 5819661, 6161994, 6758316, 7759548, 11639322, 12323988, 17458983, 23278644, 34917966, 52376949, 69835932, 104753898, 209507796]

約数ペア:

[(1, 209507796), (2, 104753898), (3, 69835932), (4, 52376949), (6, 34917966), (9, 23278644), (12, 17458983), (17, 12323988), (18, 11639322), (27, 7759548), (31, 6758316), (34, 6161994), (36, 5819661), (51, 4107996), (54, 3879774), (62, 3379158), (68, 3080997), (81, 2586516), (93, 2252772), (102, 2053998), (108, 1939887), (124, 1689579), (153, 1369332), (162, 1293258), (186, 1126386), (204, 1026999), (243, 862172), (279, 750924), (306, 684666), (324, 646629), (372, 563193), (409, 512244), (459, 456444), (486, 431086), (527, 397548), (558, 375462), (612, 342333), (818, 256122), (837, 250308), (918, 228222), (972, 215543), (1054, 198774), (1116, 187731), (1227, 170748), (1377, 152148), (1581, 132516), (1636, 128061), (1674, 125154), (1836, 114111), (2108, 99387), (2454, 85374), (2511, 83436), (2754, 76074), (3162, 66258), (3348, 62577), (3681, 56916), (4131, 50716), (4743, 44172), (4908, 42687), (5022, 41718), (5508, 38037), (6324, 33129), (6953, 30132), (7362, 28458), (7533, 27812), (8262, 25358), (9486, 22086), (10044, 20859), (11043, 18972), (12679, 16524), (13906, 15066), (14229, 14724)]