28827331970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{20809}}^1$

素因数の和:21143

約数の個数: 64

約数和(自身を含む): 57041042400

約数和(自身を除く): 28213710430

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 281, 290, 493, 562, 986, 1405, 2465, 2810, 4777, 4930, 8149, 9554, 16298, 20809, 23885, 40745, 41618, 47770, 81490, 104045, 138533, 208090, 277066, 353753, 603461, 692665, 707506, 1206922, 1385330, 1768765, 3017305, 3537530, 5847329, 6034610, 10258837, 11694658, 20517674, 29236645, 51294185, 58473290, 99404593, 102588370, 169572541, 198809186, 339145082, 497022965, 847862705, 994045930, 1695725410, 2882733197, 5765466394, 14413665985, 28827331970]

約数ペア:

[(1, 28827331970), (2, 14413665985), (5, 5765466394), (10, 2882733197), (17, 1695725410), (29, 994045930), (34, 847862705), (58, 497022965), (85, 339145082), (145, 198809186), (170, 169572541), (281, 102588370), (290, 99404593), (493, 58473290), (562, 51294185), (986, 29236645), (1405, 20517674), (2465, 11694658), (2810, 10258837), (4777, 6034610), (4930, 5847329), (8149, 3537530), (9554, 3017305), (16298, 1768765), (20809, 1385330), (23885, 1206922), (40745, 707506), (41618, 692665), (47770, 603461), (81490, 353753), (104045, 277066), (138533, 208090)]