438981948

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^2\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 108

約数和(自身を含む): 1175498688

約数和(自身を除く): 736516740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 93, 113, 118, 124, 177, 186, 226, 236, 279, 339, 354, 372, 452, 531, 558, 678, 708, 1017, 1062, 1116, 1356, 1829, 2034, 2124, 3481, 3503, 3658, 4068, 5487, 6667, 6962, 7006, 7316, 10443, 10509, 10974, 13334, 13924, 14012, 16461, 20001, 20886, 21018, 21948, 26668, 31329, 31527, 32922, 40002, 41772, 42036, 60003, 62658, 63054, 65844, 80004, 107911, 120006, 125316, 126108, 206677, 215822, 240012, 323733, 393353, 413354, 431644, 620031, 647466, 786706, 826708, 971199, 1180059, 1240062, 1294932, 1573412, 1860093, 1942398, 2360118, 2480124, 3540177, 3720186, 3884796, 4720236, 7080354, 7440372, 12193943, 14160708, 24387886, 36581829, 48775772, 73163658, 109745487, 146327316, 219490974, 438981948]

約数ペア:

[(1, 438981948), (2, 219490974), (3, 146327316), (4, 109745487), (6, 73163658), (9, 48775772), (12, 36581829), (18, 24387886), (31, 14160708), (36, 12193943), (59, 7440372), (62, 7080354), (93, 4720236), (113, 3884796), (118, 3720186), (124, 3540177), (177, 2480124), (186, 2360118), (226, 1942398), (236, 1860093), (279, 1573412), (339, 1294932), (354, 1240062), (372, 1180059), (452, 971199), (531, 826708), (558, 786706), (678, 647466), (708, 620031), (1017, 431644), (1062, 413354), (1116, 393353), (1356, 323733), (1829, 240012), (2034, 215822), (2124, 206677), (3481, 126108), (3503, 125316), (3658, 120006), (4068, 107911), (5487, 80004), (6667, 65844), (6962, 63054), (7006, 62658), (7316, 60003), (10443, 42036), (10509, 41772), (10974, 40002), (13334, 32922), (13924, 31527), (14012, 31329), (16461, 26668), (20001, 21948), (20886, 21018)]