256574388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{2677}}^1$

素因数の和:2861

約数の個数: 72

約数和(自身を含む): 700950432

約数和(自身を除く): 444376044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 163, 196, 294, 326, 489, 588, 652, 978, 1141, 1956, 2282, 2677, 3423, 4564, 5354, 6846, 7987, 8031, 10708, 13692, 15974, 16062, 18739, 23961, 31948, 32124, 37478, 47922, 56217, 74956, 95844, 112434, 131173, 224868, 262346, 393519, 436351, 524692, 787038, 872702, 1309053, 1574076, 1745404, 2618106, 3054457, 5236212, 6108914, 9163371, 12217828, 18326742, 21381199, 36653484, 42762398, 64143597, 85524796, 128287194, 256574388]

約数ペア:

[(1, 256574388), (2, 128287194), (3, 85524796), (4, 64143597), (6, 42762398), (7, 36653484), (12, 21381199), (14, 18326742), (21, 12217828), (28, 9163371), (42, 6108914), (49, 5236212), (84, 3054457), (98, 2618106), (147, 1745404), (163, 1574076), (196, 1309053), (294, 872702), (326, 787038), (489, 524692), (588, 436351), (652, 393519), (978, 262346), (1141, 224868), (1956, 131173), (2282, 112434), (2677, 95844), (3423, 74956), (4564, 56217), (5354, 47922), (6846, 37478), (7987, 32124), (8031, 31948), (10708, 23961), (13692, 18739), (15974, 16062)]