215724908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1583}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 448487424

約数和(自身を除く): 232762516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 1099, 1583, 2198, 3166, 4396, 4867, 6332, 9734, 11081, 19468, 22162, 34069, 44324, 49073, 68138, 98146, 136276, 196292, 248531, 343511, 497062, 687022, 994124, 1374044, 1739717, 3479434, 6958868, 7704461, 15408922, 30817844, 53931227, 107862454, 215724908]

約数ペア:

[(1, 215724908), (2, 107862454), (4, 53931227), (7, 30817844), (14, 15408922), (28, 7704461), (31, 6958868), (62, 3479434), (124, 1739717), (157, 1374044), (217, 994124), (314, 687022), (434, 497062), (628, 343511), (868, 248531), (1099, 196292), (1583, 136276), (2198, 98146), (3166, 68138), (4396, 49073), (4867, 44324), (6332, 34069), (9734, 22162), (11081, 19468)]