131219776

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:180

約数の個数: 84

約数和(自身を含む): 287812480

約数和(自身を除く): 156592704

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 59, 62, 64, 76, 118, 124, 152, 236, 248, 304, 472, 496, 589, 608, 944, 992, 1121, 1178, 1216, 1829, 1888, 1984, 2242, 2356, 3481, 3658, 3776, 4484, 4712, 6962, 7316, 8968, 9424, 13924, 14632, 17936, 18848, 27848, 29264, 34751, 35872, 37696, 55696, 58528, 66139, 69502, 71744, 107911, 111392, 117056, 132278, 139004, 215822, 222784, 264556, 278008, 431644, 529112, 556016, 863288, 1058224, 1112032, 1726576, 2050309, 2116448, 2224064, 3453152, 4100618, 4232896, 6906304, 8201236, 16402472, 32804944, 65609888, 131219776]

約数ペア:

[(1, 131219776), (2, 65609888), (4, 32804944), (8, 16402472), (16, 8201236), (19, 6906304), (31, 4232896), (32, 4100618), (38, 3453152), (59, 2224064), (62, 2116448), (64, 2050309), (76, 1726576), (118, 1112032), (124, 1058224), (152, 863288), (236, 556016), (248, 529112), (304, 431644), (472, 278008), (496, 264556), (589, 222784), (608, 215822), (944, 139004), (992, 132278), (1121, 117056), (1178, 111392), (1216, 107911), (1829, 71744), (1888, 69502), (1984, 66139), (2242, 58528), (2356, 55696), (3481, 37696), (3658, 35872), (3776, 34751), (4484, 29264), (4712, 27848), (6962, 18848), (7316, 17936), (8968, 14632), (9424, 13924)]