81357470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 156003840

約数和(自身を除く): 74646370

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 127, 145, 235, 254, 290, 470, 635, 1270, 1363, 2209, 2726, 3683, 4418, 5969, 6815, 7366, 11045, 11938, 13630, 18415, 22090, 29845, 36830, 59690, 64061, 128122, 173101, 280543, 320305, 346202, 561086, 640610, 865505, 1402715, 1731010, 2805430, 8135747, 16271494, 40678735, 81357470]

約数ペア:

[(1, 81357470), (2, 40678735), (5, 16271494), (10, 8135747), (29, 2805430), (47, 1731010), (58, 1402715), (94, 865505), (127, 640610), (145, 561086), (235, 346202), (254, 320305), (290, 280543), (470, 173101), (635, 128122), (1270, 64061), (1363, 59690), (2209, 36830), (2726, 29845), (3683, 22090), (4418, 18415), (5969, 13630), (6815, 11938), (7366, 11045)]