253951256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 533191680

約数和(自身を除く): 279240424

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 227, 248, 347, 403, 454, 694, 806, 908, 1388, 1612, 1816, 2776, 2951, 3224, 4511, 5902, 7037, 9022, 10757, 11804, 14074, 18044, 21514, 23608, 28148, 36088, 43028, 56296, 78769, 86056, 91481, 139841, 157538, 182962, 279682, 315076, 365924, 559364, 630152, 731848, 1023997, 1118728, 2047994, 2441839, 4095988, 4883678, 8191976, 9767356, 19534712, 31743907, 63487814, 126975628, 253951256]

約数ペア:

[(1, 253951256), (2, 126975628), (4, 63487814), (8, 31743907), (13, 19534712), (26, 9767356), (31, 8191976), (52, 4883678), (62, 4095988), (104, 2441839), (124, 2047994), (227, 1118728), (248, 1023997), (347, 731848), (403, 630152), (454, 559364), (694, 365924), (806, 315076), (908, 279682), (1388, 182962), (1612, 157538), (1816, 139841), (2776, 91481), (2951, 86056), (3224, 78769), (4511, 56296), (5902, 43028), (7037, 36088), (9022, 28148), (10757, 23608), (11804, 21514), (14074, 18044)]