31325528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 36412072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 83, 104, 152, 166, 191, 247, 332, 382, 494, 664, 764, 988, 1079, 1528, 1577, 1976, 2158, 2483, 3154, 3629, 4316, 4966, 6308, 7258, 8632, 9932, 12616, 14516, 15853, 19864, 20501, 29032, 31706, 41002, 47177, 63412, 82004, 94354, 126824, 164008, 188708, 206089, 301207, 377416, 412178, 602414, 824356, 1204828, 1648712, 2409656, 3915691, 7831382, 15662764, 31325528]

約数ペア:

[(1, 31325528), (2, 15662764), (4, 7831382), (8, 3915691), (13, 2409656), (19, 1648712), (26, 1204828), (38, 824356), (52, 602414), (76, 412178), (83, 377416), (104, 301207), (152, 206089), (166, 188708), (191, 164008), (247, 126824), (332, 94354), (382, 82004), (494, 63412), (664, 47177), (764, 41002), (988, 31706), (1079, 29032), (1528, 20501), (1577, 19864), (1976, 15853), (2158, 14516), (2483, 12616), (3154, 9932), (3629, 8632), (4316, 7258), (4966, 6308)]