645449470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{11491}}^1$

素因数の和:11676

約数の個数: 32

約数和(自身を含む): 1198937376

約数和(自身を除く): 553487906

約数列:

[1, 2, 5, 10, 41, 82, 137, 205, 274, 410, 685, 1370, 5617, 11234, 11491, 22982, 28085, 56170, 57455, 114910, 471131, 942262, 1574267, 2355655, 3148534, 4711310, 7871335, 15742670, 64544947, 129089894, 322724735, 645449470]

約数ペア:

[(1, 645449470), (2, 322724735), (5, 129089894), (10, 64544947), (41, 15742670), (82, 7871335), (137, 4711310), (205, 3148534), (274, 2355655), (410, 1574267), (685, 942262), (1370, 471131), (5617, 114910), (11234, 57455), (11491, 56170), (22982, 28085)]