28904330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 66866688

約数和(自身を除く): 37962358

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1381, 1495, 1610, 2093, 2762, 2990, 4186, 6905, 9667, 10465, 13810, 17953, 19334, 20930, 31763, 35906, 48335, 63526, 89765, 96670, 125671, 158815, 179530, 222341, 251342, 317630, 412919, 444682, 628355, 825838, 1111705, 1256710, 2064595, 2223410, 2890433, 4129190, 5780866, 14452165, 28904330]

約数ペア:

[(1, 28904330), (2, 14452165), (5, 5780866), (7, 4129190), (10, 2890433), (13, 2223410), (14, 2064595), (23, 1256710), (26, 1111705), (35, 825838), (46, 628355), (65, 444682), (70, 412919), (91, 317630), (115, 251342), (130, 222341), (161, 179530), (182, 158815), (230, 125671), (299, 96670), (322, 89765), (455, 63526), (598, 48335), (805, 35906), (910, 31763), (1381, 20930), (1495, 19334), (1610, 17953), (2093, 13810), (2762, 10465), (2990, 9667), (4186, 6905)]