399777612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6359}}^1$

素因数の和:6423

約数の個数: 72

約数和(自身を含む): 1042836480

約数和(自身を除く): 643058868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 4836, 5239, 6359, 10478, 12718, 15717, 19077, 20956, 25436, 31434, 38154, 62868, 76308, 82667, 165334, 197129, 248001, 330668, 394258, 496002, 591387, 788516, 992004, 1074671, 1182774, 2149342, 2365548, 2562677, 3224013, 4298684, 5125354, 6448026, 7688031, 10250708, 12896052, 15376062, 30752124, 33314801, 66629602, 99944403, 133259204, 199888806, 399777612]

約数ペア:

[(1, 399777612), (2, 199888806), (3, 133259204), (4, 99944403), (6, 66629602), (12, 33314801), (13, 30752124), (26, 15376062), (31, 12896052), (39, 10250708), (52, 7688031), (62, 6448026), (78, 5125354), (93, 4298684), (124, 3224013), (156, 2562677), (169, 2365548), (186, 2149342), (338, 1182774), (372, 1074671), (403, 992004), (507, 788516), (676, 591387), (806, 496002), (1014, 394258), (1209, 330668), (1612, 248001), (2028, 197129), (2418, 165334), (4836, 82667), (5239, 76308), (6359, 62868), (10478, 38154), (12718, 31434), (15717, 25436), (19077, 20956)]