397513404

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 1031546880

約数和(自身を除く): 634033476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 239, 282, 423, 478, 564, 717, 846, 956, 983, 1434, 1692, 1966, 2151, 2868, 2949, 3932, 4302, 5898, 8604, 8847, 11233, 11796, 17694, 22466, 33699, 35388, 44932, 46201, 67398, 92402, 101097, 134796, 138603, 184804, 202194, 234937, 277206, 404388, 415809, 469874, 554412, 704811, 831618, 939748, 1409622, 1663236, 2114433, 2819244, 4228866, 8457732, 11042039, 22084078, 33126117, 44168156, 66252234, 99378351, 132504468, 198756702, 397513404]

約数ペア:

[(1, 397513404), (2, 198756702), (3, 132504468), (4, 99378351), (6, 66252234), (9, 44168156), (12, 33126117), (18, 22084078), (36, 11042039), (47, 8457732), (94, 4228866), (141, 2819244), (188, 2114433), (239, 1663236), (282, 1409622), (423, 939748), (478, 831618), (564, 704811), (717, 554412), (846, 469874), (956, 415809), (983, 404388), (1434, 277206), (1692, 234937), (1966, 202194), (2151, 184804), (2868, 138603), (2949, 134796), (3932, 101097), (4302, 92402), (5898, 67398), (8604, 46201), (8847, 44932), (11233, 35388), (11796, 33699), (17694, 22466)]