196997008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8689}}^1$

素因数の和:8819

約数の個数: 40

約数和(自身を含む): 414860600

約数和(自身を除く): 217863592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 8689, 11336, 17378, 22672, 34756, 69512, 112957, 139024, 225914, 451828, 903656, 947101, 1807312, 1894202, 3788404, 7576808, 12312313, 15153616, 24624626, 49249252, 98498504, 196997008]

約数ペア:

[(1, 196997008), (2, 98498504), (4, 49249252), (8, 24624626), (13, 15153616), (16, 12312313), (26, 7576808), (52, 3788404), (104, 1894202), (109, 1807312), (208, 947101), (218, 903656), (436, 451828), (872, 225914), (1417, 139024), (1744, 112957), (2834, 69512), (5668, 34756), (8689, 22672), (11336, 17378)]