163339540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12857

約数の個数: 72

約数和(自身を含む): 429742152

約数和(自身を除く): 266402612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 12821, 25642, 51284, 64105, 89747, 128210, 166673, 179494, 256420, 333346, 358988, 448735, 628229, 666692, 833365, 897470, 1166711, 1256458, 1666730, 1794940, 2333422, 2512916, 3141145, 3333460, 4666844, 5833555, 6282290, 8166977, 11667110, 12564580, 16333954, 23334220, 32667908, 40834885, 81669770, 163339540]

約数ペア:

[(1, 163339540), (2, 81669770), (4, 40834885), (5, 32667908), (7, 23334220), (10, 16333954), (13, 12564580), (14, 11667110), (20, 8166977), (26, 6282290), (28, 5833555), (35, 4666844), (49, 3333460), (52, 3141145), (65, 2512916), (70, 2333422), (91, 1794940), (98, 1666730), (130, 1256458), (140, 1166711), (182, 897470), (196, 833365), (245, 666692), (260, 628229), (364, 448735), (455, 358988), (490, 333346), (637, 256420), (910, 179494), (980, 166673), (1274, 128210), (1820, 89747), (2548, 64105), (3185, 51284), (6370, 25642), (12740, 12821)]