639118128

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{6473}}^1$

素因数の和:6523

約数の個数: 120

約数和(自身を含む): 1921845744

約数和(自身を除く): 1282727616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 121, 132, 136, 176, 187, 204, 242, 264, 272, 363, 374, 408, 484, 528, 561, 726, 748, 816, 968, 1122, 1452, 1496, 1936, 2057, 2244, 2904, 2992, 4114, 4488, 5808, 6171, 6473, 8228, 8976, 12342, 12946, 16456, 19419, 24684, 25892, 32912, 38838, 49368, 51784, 71203, 77676, 98736, 103568, 110041, 142406, 155352, 213609, 220082, 284812, 310704, 330123, 427218, 440164, 569624, 660246, 783233, 854436, 880328, 1139248, 1210451, 1320492, 1566466, 1708872, 1760656, 2349699, 2420902, 2640984, 3132932, 3417744, 3631353, 4699398, 4841804, 5281968, 6265864, 7262706, 9398796, 9683608, 12531728, 13314961, 14525412, 18797592, 19367216, 26629922, 29050824, 37595184, 39944883, 53259844, 58101648, 79889766, 106519688, 159779532, 213039376, 319559064, 639118128]

約数ペア:

[(1, 639118128), (2, 319559064), (3, 213039376), (4, 159779532), (6, 106519688), (8, 79889766), (11, 58101648), (12, 53259844), (16, 39944883), (17, 37595184), (22, 29050824), (24, 26629922), (33, 19367216), (34, 18797592), (44, 14525412), (48, 13314961), (51, 12531728), (66, 9683608), (68, 9398796), (88, 7262706), (102, 6265864), (121, 5281968), (132, 4841804), (136, 4699398), (176, 3631353), (187, 3417744), (204, 3132932), (242, 2640984), (264, 2420902), (272, 2349699), (363, 1760656), (374, 1708872), (408, 1566466), (484, 1320492), (528, 1210451), (561, 1139248), (726, 880328), (748, 854436), (816, 783233), (968, 660246), (1122, 569624), (1452, 440164), (1496, 427218), (1936, 330123), (2057, 310704), (2244, 284812), (2904, 220082), (2992, 213609), (4114, 155352), (4488, 142406), (5808, 110041), (6171, 103568), (6473, 98736), (8228, 77676), (8976, 71203), (12342, 51784), (12946, 49368), (16456, 38838), (19419, 32912), (24684, 25892)]