249379408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{22171}}^1$

素因数の和:22235

約数の個数: 40

約数和(自身を含む): 522372320

約数和(自身を除く): 272992912

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 22171, 44342, 88684, 177368, 354736, 421249, 820327, 842498, 1640654, 1684996, 3281308, 3369992, 6562616, 6739984, 13125232, 15586213, 31172426, 62344852, 124689704, 249379408]

約数ペア:

[(1, 249379408), (2, 124689704), (4, 62344852), (8, 31172426), (16, 15586213), (19, 13125232), (37, 6739984), (38, 6562616), (74, 3369992), (76, 3281308), (148, 1684996), (152, 1640654), (296, 842498), (304, 820327), (592, 421249), (703, 354736), (1406, 177368), (2812, 88684), (5624, 44342), (11248, 22171)]