128418732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{829}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 351063440

約数和(自身を除く): 222644708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 468, 662, 829, 993, 1324, 1658, 1986, 2487, 2979, 3316, 3972, 4303, 4974, 5958, 7461, 8606, 9948, 10777, 11916, 12909, 14922, 17212, 21554, 25818, 29844, 32331, 38727, 43108, 51636, 64662, 77454, 96993, 129324, 154908, 193986, 274399, 387972, 548798, 823197, 1097596, 1646394, 2469591, 3292788, 3567187, 4939182, 7134374, 9878364, 10701561, 14268748, 21403122, 32104683, 42806244, 64209366, 128418732]

約数ペア:

[(1, 128418732), (2, 64209366), (3, 42806244), (4, 32104683), (6, 21403122), (9, 14268748), (12, 10701561), (13, 9878364), (18, 7134374), (26, 4939182), (36, 3567187), (39, 3292788), (52, 2469591), (78, 1646394), (117, 1097596), (156, 823197), (234, 548798), (331, 387972), (468, 274399), (662, 193986), (829, 154908), (993, 129324), (1324, 96993), (1658, 77454), (1986, 64662), (2487, 51636), (2979, 43108), (3316, 38727), (3972, 32331), (4303, 29844), (4974, 25818), (5958, 21554), (7461, 17212), (8606, 14922), (9948, 12909), (10777, 11916)]