400659545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2447}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 567544320

約数和(自身を除く): 166884775

約数列:

[1, 5, 11, 13, 55, 65, 143, 229, 715, 1145, 2447, 2519, 2977, 12235, 12595, 14885, 26917, 31811, 32747, 134585, 159055, 163735, 349921, 560363, 1749605, 2801815, 6163993, 7284719, 30819965, 36423595, 80131909, 400659545]

約数ペア:

[(1, 400659545), (5, 80131909), (11, 36423595), (13, 30819965), (55, 7284719), (65, 6163993), (143, 2801815), (229, 1749605), (715, 560363), (1145, 349921), (2447, 163735), (2519, 159055), (2977, 134585), (12235, 32747), (12595, 31811), (14885, 26917)]