181161396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12541

約数の個数: 72

約数和(自身を含む): 509110784

約数和(自身を除く): 327949388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 12487, 14508, 24974, 37461, 49948, 74922, 112383, 149844, 162331, 224766, 324662, 387097, 449532, 486993, 649324, 774194, 973986, 1161291, 1460979, 1548388, 1947972, 2322582, 2921958, 3483873, 4645164, 5032261, 5843916, 6967746, 10064522, 13935492, 15096783, 20129044, 30193566, 45290349, 60387132, 90580698, 181161396]

約数ペア:

[(1, 181161396), (2, 90580698), (3, 60387132), (4, 45290349), (6, 30193566), (9, 20129044), (12, 15096783), (13, 13935492), (18, 10064522), (26, 6967746), (31, 5843916), (36, 5032261), (39, 4645164), (52, 3483873), (62, 2921958), (78, 2322582), (93, 1947972), (117, 1548388), (124, 1460979), (156, 1161291), (186, 973986), (234, 774194), (279, 649324), (372, 486993), (403, 449532), (468, 387097), (558, 324662), (806, 224766), (1116, 162331), (1209, 149844), (1612, 112383), (2418, 74922), (3627, 49948), (4836, 37461), (7254, 24974), (12487, 14508)]