28181010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6569}}^1$

素因数の和:6603

約数の個数: 64

約数和(自身を含む): 79470720

約数和(自身を除く): 51289710

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 6569, 13138, 19707, 32845, 39414, 65690, 72259, 85397, 98535, 144518, 170794, 197070, 216777, 256191, 361295, 426985, 433554, 512382, 722590, 853970, 939367, 1083885, 1280955, 1878734, 2167770, 2561910, 2818101, 4696835, 5636202, 9393670, 14090505, 28181010]

約数ペア:

[(1, 28181010), (2, 14090505), (3, 9393670), (5, 5636202), (6, 4696835), (10, 2818101), (11, 2561910), (13, 2167770), (15, 1878734), (22, 1280955), (26, 1083885), (30, 939367), (33, 853970), (39, 722590), (55, 512382), (65, 433554), (66, 426985), (78, 361295), (110, 256191), (130, 216777), (143, 197070), (165, 170794), (195, 144518), (286, 98535), (330, 85397), (390, 72259), (429, 65690), (715, 39414), (858, 32845), (1430, 19707), (2145, 13138), (4290, 6569)]