157777256

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4463

約数の個数: 64

約数和(自身を含む): 371616000

約数和(自身を除く): 213838744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 1274, 1372, 2548, 2744, 4423, 4459, 5096, 8846, 8918, 17692, 17836, 30961, 35384, 35672, 57499, 61922, 114998, 123844, 216727, 229996, 247688, 402493, 433454, 459992, 804986, 866908, 1517089, 1609972, 1733816, 2817451, 3034178, 3219944, 5634902, 6068356, 11269804, 12136712, 19722157, 22539608, 39444314, 78888628, 157777256]

約数ペア:

[(1, 157777256), (2, 78888628), (4, 39444314), (7, 22539608), (8, 19722157), (13, 12136712), (14, 11269804), (26, 6068356), (28, 5634902), (49, 3219944), (52, 3034178), (56, 2817451), (91, 1733816), (98, 1609972), (104, 1517089), (182, 866908), (196, 804986), (343, 459992), (364, 433454), (392, 402493), (637, 247688), (686, 229996), (728, 216727), (1274, 123844), (1372, 114998), (2548, 61922), (2744, 57499), (4423, 35672), (4459, 35384), (5096, 30961), (8846, 17836), (8918, 17692)]