72407816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 155258880

約数和(自身を除く): 82851064

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 248, 296, 403, 481, 607, 806, 962, 1147, 1214, 1612, 1924, 2294, 2428, 3224, 3848, 4588, 4856, 7891, 9176, 14911, 15782, 18817, 22459, 29822, 31564, 37634, 44918, 59644, 63128, 75268, 89836, 119288, 150536, 179672, 244621, 291967, 489242, 583934, 696229, 978484, 1167868, 1392458, 1956968, 2335736, 2784916, 5569832, 9050977, 18101954, 36203908, 72407816]

約数ペア:

[(1, 72407816), (2, 36203908), (4, 18101954), (8, 9050977), (13, 5569832), (26, 2784916), (31, 2335736), (37, 1956968), (52, 1392458), (62, 1167868), (74, 978484), (104, 696229), (124, 583934), (148, 489242), (248, 291967), (296, 244621), (403, 179672), (481, 150536), (607, 119288), (806, 89836), (962, 75268), (1147, 63128), (1214, 59644), (1612, 44918), (1924, 37634), (2294, 31564), (2428, 29822), (3224, 22459), (3848, 18817), (4588, 15782), (4856, 14911), (7891, 9176)]