257130306

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 615014400

約数和(自身を除く): 357884094

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 79, 93, 114, 158, 171, 186, 237, 279, 307, 342, 474, 558, 589, 614, 711, 921, 1178, 1422, 1501, 1767, 1842, 2449, 2763, 3002, 3534, 4503, 4898, 5301, 5526, 5833, 7347, 9006, 9517, 10602, 11666, 13509, 14694, 17499, 19034, 22041, 24253, 27018, 28551, 34998, 44082, 46531, 48506, 52497, 57102, 72759, 85653, 93062, 104994, 139593, 145518, 171306, 180823, 218277, 279186, 361646, 418779, 436554, 460807, 542469, 751843, 837558, 921614, 1084938, 1382421, 1503686, 1627407, 2255529, 2764842, 3254814, 4147263, 4511058, 6766587, 8294526, 13533174, 14285017, 28570034, 42855051, 85710102, 128565153, 257130306]

約数ペア:

[(1, 257130306), (2, 128565153), (3, 85710102), (6, 42855051), (9, 28570034), (18, 14285017), (19, 13533174), (31, 8294526), (38, 6766587), (57, 4511058), (62, 4147263), (79, 3254814), (93, 2764842), (114, 2255529), (158, 1627407), (171, 1503686), (186, 1382421), (237, 1084938), (279, 921614), (307, 837558), (342, 751843), (474, 542469), (558, 460807), (589, 436554), (614, 418779), (711, 361646), (921, 279186), (1178, 218277), (1422, 180823), (1501, 171306), (1767, 145518), (1842, 139593), (2449, 104994), (2763, 93062), (3002, 85653), (3534, 72759), (4503, 57102), (4898, 52497), (5301, 48506), (5526, 46531), (5833, 44082), (7347, 34998), (9006, 28551), (9517, 27018), (10602, 24253), (11666, 22041), (13509, 19034), (14694, 17499)]