28991732

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 39955468

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 113, 119, 154, 187, 196, 226, 238, 308, 343, 374, 452, 476, 539, 686, 748, 791, 833, 1078, 1243, 1309, 1372, 1582, 1666, 1921, 2156, 2486, 2618, 3164, 3332, 3773, 3842, 4972, 5236, 5537, 5831, 7546, 7684, 8701, 9163, 11074, 11662, 13447, 15092, 17402, 18326, 21131, 22148, 23324, 26894, 34804, 36652, 38759, 42262, 53788, 60907, 64141, 77518, 84524, 94129, 121814, 128282, 147917, 155036, 188258, 243628, 256564, 295834, 376516, 426349, 591668, 658903, 852698, 1035419, 1317806, 1705396, 2070838, 2635612, 4141676, 7247933, 14495866, 28991732]

約数ペア:

[(1, 28991732), (2, 14495866), (4, 7247933), (7, 4141676), (11, 2635612), (14, 2070838), (17, 1705396), (22, 1317806), (28, 1035419), (34, 852698), (44, 658903), (49, 591668), (68, 426349), (77, 376516), (98, 295834), (113, 256564), (119, 243628), (154, 188258), (187, 155036), (196, 147917), (226, 128282), (238, 121814), (308, 94129), (343, 84524), (374, 77518), (452, 64141), (476, 60907), (539, 53788), (686, 42262), (748, 38759), (791, 36652), (833, 34804), (1078, 26894), (1243, 23324), (1309, 22148), (1372, 21131), (1582, 18326), (1666, 17402), (1921, 15092), (2156, 13447), (2486, 11662), (2618, 11074), (3164, 9163), (3332, 8701), (3773, 7684), (3842, 7546), (4972, 5831), (5236, 5537)]