121818996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 334317984

約数和(自身を除く): 212498988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 1987, 2358, 3406, 3974, 4716, 5109, 5961, 6812, 7948, 10218, 11922, 15327, 17883, 20436, 23844, 25831, 30654, 35766, 51662, 61308, 71532, 77493, 103324, 154986, 232479, 260297, 309972, 464958, 520594, 780891, 929916, 1041188, 1561782, 2342673, 3123564, 3383861, 4685346, 6767722, 9370692, 10151583, 13535444, 20303166, 30454749, 40606332, 60909498, 121818996]

約数ペア:

[(1, 121818996), (2, 60909498), (3, 40606332), (4, 30454749), (6, 20303166), (9, 13535444), (12, 10151583), (13, 9370692), (18, 6767722), (26, 4685346), (36, 3383861), (39, 3123564), (52, 2342673), (78, 1561782), (117, 1041188), (131, 929916), (156, 780891), (234, 520594), (262, 464958), (393, 309972), (468, 260297), (524, 232479), (786, 154986), (1179, 103324), (1572, 77493), (1703, 71532), (1987, 61308), (2358, 51662), (3406, 35766), (3974, 30654), (4716, 25831), (5109, 23844), (5961, 20436), (6812, 17883), (7948, 15327), (10218, 11922)]