86861008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 197209600

約数和(自身を除く): 110348592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 709, 806, 988, 1178, 1418, 1612, 1976, 2356, 2836, 3224, 3952, 4712, 5672, 6448, 7657, 9217, 9424, 11344, 13471, 15314, 18434, 21979, 26942, 30628, 36868, 43958, 53884, 61256, 73736, 87916, 107768, 122512, 147472, 175123, 175832, 215536, 285727, 350246, 351664, 417601, 571454, 700492, 835202, 1142908, 1400984, 1670404, 2285816, 2801968, 3340808, 4571632, 5428813, 6681616, 10857626, 21715252, 43430504, 86861008]

約数ペア:

[(1, 86861008), (2, 43430504), (4, 21715252), (8, 10857626), (13, 6681616), (16, 5428813), (19, 4571632), (26, 3340808), (31, 2801968), (38, 2285816), (52, 1670404), (62, 1400984), (76, 1142908), (104, 835202), (124, 700492), (152, 571454), (208, 417601), (247, 351664), (248, 350246), (304, 285727), (403, 215536), (494, 175832), (496, 175123), (589, 147472), (709, 122512), (806, 107768), (988, 87916), (1178, 73736), (1418, 61256), (1612, 53884), (1976, 43958), (2356, 36868), (2836, 30628), (3224, 26942), (3952, 21979), (4712, 18434), (5672, 15314), (6448, 13471), (7657, 11344), (9217, 9424)]