248949688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 523908000

約数和(自身を除く): 274958312

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 197, 232, 377, 394, 419, 754, 788, 838, 1508, 1576, 1676, 2561, 3016, 3352, 5122, 5447, 5713, 10244, 10894, 11426, 12151, 20488, 21788, 22852, 24302, 43576, 45704, 48604, 74269, 82543, 97208, 148538, 157963, 165086, 297076, 315926, 330172, 594152, 631852, 660344, 1073059, 1263704, 2146118, 2393747, 4292236, 4787494, 8584472, 9574988, 19149976, 31118711, 62237422, 124474844, 248949688]

約数ペア:

[(1, 248949688), (2, 124474844), (4, 62237422), (8, 31118711), (13, 19149976), (26, 9574988), (29, 8584472), (52, 4787494), (58, 4292236), (104, 2393747), (116, 2146118), (197, 1263704), (232, 1073059), (377, 660344), (394, 631852), (419, 594152), (754, 330172), (788, 315926), (838, 297076), (1508, 165086), (1576, 157963), (1676, 148538), (2561, 97208), (3016, 82543), (3352, 74269), (5122, 48604), (5447, 45704), (5713, 43576), (10244, 24302), (10894, 22852), (11426, 21788), (12151, 20488)]