28659996

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 76189568

約数和(自身を除く): 47529572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 366, 372, 421, 549, 558, 732, 842, 1098, 1116, 1263, 1684, 1891, 2196, 2526, 3782, 3789, 5052, 5673, 7564, 7578, 11346, 13051, 15156, 17019, 22692, 25681, 26102, 34038, 39153, 51362, 52204, 68076, 77043, 78306, 102724, 117459, 154086, 156612, 231129, 234918, 308172, 462258, 469836, 796111, 924516, 1592222, 2388333, 3184444, 4776666, 7164999, 9553332, 14329998, 28659996]

約数ペア:

[(1, 28659996), (2, 14329998), (3, 9553332), (4, 7164999), (6, 4776666), (9, 3184444), (12, 2388333), (18, 1592222), (31, 924516), (36, 796111), (61, 469836), (62, 462258), (93, 308172), (122, 234918), (124, 231129), (183, 156612), (186, 154086), (244, 117459), (279, 102724), (366, 78306), (372, 77043), (421, 68076), (549, 52204), (558, 51362), (732, 39153), (842, 34038), (1098, 26102), (1116, 25681), (1263, 22692), (1684, 17019), (1891, 15156), (2196, 13051), (2526, 11346), (3782, 7578), (3789, 7564), (5052, 5673)]