28082470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 58677696

約数和(自身を除く): 30595226

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 97, 130, 131, 170, 194, 221, 262, 442, 485, 655, 970, 1105, 1261, 1310, 1649, 1703, 2210, 2227, 2522, 3298, 3406, 4454, 6305, 8245, 8515, 11135, 12610, 12707, 16490, 17030, 21437, 22270, 25414, 28951, 42874, 57902, 63535, 107185, 127070, 144755, 165191, 214370, 216019, 289510, 330382, 432038, 825955, 1080095, 1651910, 2160190, 2808247, 5616494, 14041235, 28082470]

約数ペア:

[(1, 28082470), (2, 14041235), (5, 5616494), (10, 2808247), (13, 2160190), (17, 1651910), (26, 1080095), (34, 825955), (65, 432038), (85, 330382), (97, 289510), (130, 216019), (131, 214370), (170, 165191), (194, 144755), (221, 127070), (262, 107185), (442, 63535), (485, 57902), (655, 42874), (970, 28951), (1105, 25414), (1261, 22270), (1310, 21437), (1649, 17030), (1703, 16490), (2210, 12707), (2227, 12610), (2522, 11135), (3298, 8515), (3406, 8245), (4454, 6305)]