201245405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 267170400

約数和(自身を除く): 65924995

約数列:

[1, 5, 17, 37, 61, 85, 185, 305, 629, 1037, 1049, 2257, 3145, 5185, 5245, 11285, 17833, 38369, 38813, 63989, 89165, 191845, 194065, 319945, 659821, 1087813, 2367593, 3299105, 5439065, 11837965, 40249081, 201245405]

約数ペア:

[(1, 201245405), (5, 40249081), (17, 11837965), (37, 5439065), (61, 3299105), (85, 2367593), (185, 1087813), (305, 659821), (629, 319945), (1037, 194065), (1049, 191845), (2257, 89165), (3145, 63989), (5185, 38813), (5245, 38369), (11285, 17833)]