646989122

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 1084648320

約数和(自身を除く): 437659198

約数列:

[1, 2, 13, 26, 47, 94, 139, 169, 278, 293, 338, 586, 611, 1222, 1807, 3614, 3809, 6533, 7618, 7943, 13066, 13771, 15886, 23491, 27542, 40727, 46982, 49517, 81454, 84929, 99034, 169858, 179023, 358046, 529451, 1058902, 1104077, 1914169, 2208154, 2327299, 3828338, 4654598, 6882863, 13765726, 24884197, 49768394, 323494561, 646989122]

約数ペア:

[(1, 646989122), (2, 323494561), (13, 49768394), (26, 24884197), (47, 13765726), (94, 6882863), (139, 4654598), (169, 3828338), (278, 2327299), (293, 2208154), (338, 1914169), (586, 1104077), (611, 1058902), (1222, 529451), (1807, 358046), (3614, 179023), (3809, 169858), (6533, 99034), (7618, 84929), (7943, 81454), (13066, 49517), (13771, 46982), (15886, 40727), (23491, 27542)]