38081428

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 89631360

約数和(自身を除く): 51549932

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1039, 1078, 1309, 1666, 2078, 2156, 2618, 3332, 4156, 5236, 7273, 9163, 11429, 14546, 17663, 18326, 22858, 29092, 35326, 36652, 45716, 50911, 70652, 80003, 101822, 123641, 160006, 194293, 203644, 247282, 320012, 388586, 494564, 560021, 777172, 865487, 1120042, 1360051, 1730974, 2240084, 2720102, 3461948, 5440204, 9520357, 19040714, 38081428]

約数ペア:

[(1, 38081428), (2, 19040714), (4, 9520357), (7, 5440204), (11, 3461948), (14, 2720102), (17, 2240084), (22, 1730974), (28, 1360051), (34, 1120042), (44, 865487), (49, 777172), (68, 560021), (77, 494564), (98, 388586), (119, 320012), (154, 247282), (187, 203644), (196, 194293), (238, 160006), (308, 123641), (374, 101822), (476, 80003), (539, 70652), (748, 50911), (833, 45716), (1039, 36652), (1078, 35326), (1309, 29092), (1666, 22858), (2078, 18326), (2156, 17663), (2618, 14546), (3332, 11429), (4156, 9163), (5236, 7273)]