240396289

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 295731200

約数和(自身を除く): 55334911

約数列:

[1, 7, 31, 37, 79, 217, 259, 379, 553, 1147, 2449, 2653, 2923, 8029, 11749, 14023, 17143, 20461, 29941, 82243, 90613, 98161, 209587, 434713, 634291, 928171, 1107817, 3042991, 6497197, 7754719, 34342327, 240396289]

約数ペア:

[(1, 240396289), (7, 34342327), (31, 7754719), (37, 6497197), (79, 3042991), (217, 1107817), (259, 928171), (379, 634291), (553, 434713), (1147, 209587), (2449, 98161), (2653, 90613), (2923, 82243), (8029, 29941), (11749, 20461), (14023, 17143)]