312748956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21557}}^1$

素因数の和:21611

約数の個数: 72

約数和(自身を含む): 878876544

約数和(自身を除く): 566127588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 21557, 43114, 64671, 86228, 129342, 194013, 258684, 280241, 388026, 560482, 668267, 776052, 840723, 1120964, 1336534, 1681446, 2004801, 2522169, 2673068, 3362892, 4009602, 5044338, 6014403, 8019204, 8687471, 10088676, 12028806, 17374942, 24057612, 26062413, 34749884, 52124826, 78187239, 104249652, 156374478, 312748956]

約数ペア:

[(1, 312748956), (2, 156374478), (3, 104249652), (4, 78187239), (6, 52124826), (9, 34749884), (12, 26062413), (13, 24057612), (18, 17374942), (26, 12028806), (31, 10088676), (36, 8687471), (39, 8019204), (52, 6014403), (62, 5044338), (78, 4009602), (93, 3362892), (117, 2673068), (124, 2522169), (156, 2004801), (186, 1681446), (234, 1336534), (279, 1120964), (372, 840723), (403, 776052), (468, 668267), (558, 560482), (806, 388026), (1116, 280241), (1209, 258684), (1612, 194013), (2418, 129342), (3627, 86228), (4836, 64671), (7254, 43114), (14508, 21557)]