31291896

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 81607680

約数和(自身を除く): 50315784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 137, 186, 248, 274, 307, 372, 411, 548, 614, 744, 822, 921, 1096, 1228, 1644, 1842, 2456, 3288, 3684, 4247, 7368, 8494, 9517, 12741, 16988, 19034, 25482, 28551, 33976, 38068, 42059, 50964, 57102, 76136, 84118, 101928, 114204, 126177, 168236, 228408, 252354, 336472, 504708, 1009416, 1303829, 2607658, 3911487, 5215316, 7822974, 10430632, 15645948, 31291896]

約数ペア:

[(1, 31291896), (2, 15645948), (3, 10430632), (4, 7822974), (6, 5215316), (8, 3911487), (12, 2607658), (24, 1303829), (31, 1009416), (62, 504708), (93, 336472), (124, 252354), (137, 228408), (186, 168236), (248, 126177), (274, 114204), (307, 101928), (372, 84118), (411, 76136), (548, 57102), (614, 50964), (744, 42059), (822, 38068), (921, 33976), (1096, 28551), (1228, 25482), (1644, 19034), (1842, 16988), (2456, 12741), (3288, 9517), (3684, 8494), (4247, 7368)]