28888912276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{708131}}^1$

素因数の和:708220

約数の個数: 48

約数和(自身を含む): 60910682112

約数和(自身を除く): 32021769836

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 658, 868, 1316, 1457, 2914, 5828, 10199, 20398, 40796, 708131, 1416262, 2832524, 4956917, 9913834, 19827668, 21952061, 33282157, 43904122, 66564314, 87808244, 133128628, 153664427, 232975099, 307328854, 465950198, 614657708, 931900396, 1031746867, 2063493734, 4126987468, 7222228069, 14444456138, 28888912276]

約数ペア:

[(1, 28888912276), (2, 14444456138), (4, 7222228069), (7, 4126987468), (14, 2063493734), (28, 1031746867), (31, 931900396), (47, 614657708), (62, 465950198), (94, 307328854), (124, 232975099), (188, 153664427), (217, 133128628), (329, 87808244), (434, 66564314), (658, 43904122), (868, 33282157), (1316, 21952061), (1457, 19827668), (2914, 9913834), (5828, 4956917), (10199, 2832524), (20398, 1416262), (40796, 708131)]