287972538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 671232000

約数和(自身を除く): 383259462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 229, 237, 379, 458, 474, 553, 687, 758, 1106, 1137, 1374, 1603, 1659, 2274, 2653, 3206, 3318, 4809, 5306, 7959, 9618, 15918, 18091, 29941, 36182, 54273, 59882, 86791, 89823, 108546, 126637, 173582, 179646, 209587, 253274, 260373, 379911, 419174, 520746, 607537, 628761, 759822, 1215074, 1257522, 1822611, 3645222, 6856489, 13712978, 20569467, 41138934, 47995423, 95990846, 143986269, 287972538]

約数ペア:

[(1, 287972538), (2, 143986269), (3, 95990846), (6, 47995423), (7, 41138934), (14, 20569467), (21, 13712978), (42, 6856489), (79, 3645222), (158, 1822611), (229, 1257522), (237, 1215074), (379, 759822), (458, 628761), (474, 607537), (553, 520746), (687, 419174), (758, 379911), (1106, 260373), (1137, 253274), (1374, 209587), (1603, 179646), (1659, 173582), (2274, 126637), (2653, 108546), (3206, 89823), (3318, 86791), (4809, 59882), (5306, 54273), (7959, 36182), (9618, 29941), (15918, 18091)]