81836748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 248312064

約数和(自身を除く): 166475316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 67, 74, 84, 111, 126, 131, 134, 148, 201, 222, 252, 259, 262, 268, 333, 393, 402, 444, 469, 518, 524, 603, 666, 777, 786, 804, 917, 938, 1036, 1179, 1206, 1332, 1407, 1554, 1572, 1834, 1876, 2331, 2358, 2412, 2479, 2751, 2814, 3108, 3668, 4221, 4662, 4716, 4847, 4958, 5502, 5628, 7437, 8253, 8442, 8777, 9324, 9694, 9916, 11004, 14541, 14874, 16506, 16884, 17353, 17554, 19388, 22311, 26331, 29082, 29748, 33012, 33929, 34706, 35108, 43623, 44622, 52059, 52662, 58164, 61439, 67858, 69412, 78993, 87246, 89244, 101787, 104118, 105324, 122878, 135716, 156177, 157986, 174492, 184317, 203574, 208236, 245756, 305361, 312354, 315972, 324749, 368634, 407148, 552951, 610722, 624708, 649498, 737268, 974247, 1105902, 1221444, 1298996, 1948494, 2211804, 2273243, 2922741, 3896988, 4546486, 5845482, 6819729, 9092972, 11690964, 13639458, 20459187, 27278916, 40918374, 81836748]

約数ペア:

[(1, 81836748), (2, 40918374), (3, 27278916), (4, 20459187), (6, 13639458), (7, 11690964), (9, 9092972), (12, 6819729), (14, 5845482), (18, 4546486), (21, 3896988), (28, 2922741), (36, 2273243), (37, 2211804), (42, 1948494), (63, 1298996), (67, 1221444), (74, 1105902), (84, 974247), (111, 737268), (126, 649498), (131, 624708), (134, 610722), (148, 552951), (201, 407148), (222, 368634), (252, 324749), (259, 315972), (262, 312354), (268, 305361), (333, 245756), (393, 208236), (402, 203574), (444, 184317), (469, 174492), (518, 157986), (524, 156177), (603, 135716), (666, 122878), (777, 105324), (786, 104118), (804, 101787), (917, 89244), (938, 87246), (1036, 78993), (1179, 69412), (1206, 67858), (1332, 61439), (1407, 58164), (1554, 52662), (1572, 52059), (1834, 44622), (1876, 43623), (2331, 35108), (2358, 34706), (2412, 33929), (2479, 33012), (2751, 29748), (2814, 29082), (3108, 26331), (3668, 22311), (4221, 19388), (4662, 17554), (4716, 17353), (4847, 16884), (4958, 16506), (5502, 14874), (5628, 14541), (7437, 11004), (8253, 9916), (8442, 9694), (8777, 9324)]