157423868

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 341978112

約数和(自身を除く): 184554244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 49, 92, 94, 98, 161, 188, 196, 322, 329, 644, 658, 743, 1081, 1127, 1316, 1486, 2162, 2254, 2303, 2972, 4324, 4508, 4606, 5201, 7567, 9212, 10402, 15134, 17089, 20804, 30268, 34178, 34921, 36407, 52969, 68356, 69842, 72814, 105938, 119623, 139684, 145628, 211876, 239246, 244447, 478492, 488894, 803183, 837361, 977788, 1606366, 1674722, 1711129, 3212732, 3349444, 3422258, 5622281, 6844516, 11244562, 22489124, 39355967, 78711934, 157423868]

約数ペア:

[(1, 157423868), (2, 78711934), (4, 39355967), (7, 22489124), (14, 11244562), (23, 6844516), (28, 5622281), (46, 3422258), (47, 3349444), (49, 3212732), (92, 1711129), (94, 1674722), (98, 1606366), (161, 977788), (188, 837361), (196, 803183), (322, 488894), (329, 478492), (644, 244447), (658, 239246), (743, 211876), (1081, 145628), (1127, 139684), (1316, 119623), (1486, 105938), (2162, 72814), (2254, 69842), (2303, 68356), (2972, 52969), (4324, 36407), (4508, 34921), (4606, 34178), (5201, 30268), (7567, 20804), (9212, 17089), (10402, 15134)]