1561904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 3237888

約数和(自身を除く): 1675984

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 67, 94, 124, 134, 188, 248, 268, 376, 496, 536, 752, 1072, 1457, 2077, 2914, 3149, 4154, 5828, 6298, 8308, 11656, 12596, 16616, 23312, 25192, 33232, 50384, 97619, 195238, 390476, 780952, 1561904]

約数ペア:

[(1, 1561904), (2, 780952), (4, 390476), (8, 195238), (16, 97619), (31, 50384), (47, 33232), (62, 25192), (67, 23312), (94, 16616), (124, 12596), (134, 11656), (188, 8308), (248, 6298), (268, 5828), (376, 4154), (496, 3149), (536, 2914), (752, 2077), (1072, 1457)]