221001728

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 464012640

約数和(自身を除く): 243010912

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 236, 248, 256, 472, 496, 512, 944, 992, 1024, 1829, 1888, 1984, 2048, 3481, 3658, 3776, 3968, 6962, 7316, 7552, 7936, 13924, 14632, 15104, 15872, 27848, 29264, 30208, 31744, 55696, 58528, 60416, 63488, 107911, 111392, 117056, 120832, 215822, 222784, 234112, 431644, 445568, 468224, 863288, 891136, 936448, 1726576, 1782272, 1872896, 3453152, 3564544, 3745792, 6906304, 7129088, 13812608, 27625216, 55250432, 110500864, 221001728]

約数ペア:

[(1, 221001728), (2, 110500864), (4, 55250432), (8, 27625216), (16, 13812608), (31, 7129088), (32, 6906304), (59, 3745792), (62, 3564544), (64, 3453152), (118, 1872896), (124, 1782272), (128, 1726576), (236, 936448), (248, 891136), (256, 863288), (472, 468224), (496, 445568), (512, 431644), (944, 234112), (992, 222784), (1024, 215822), (1829, 120832), (1888, 117056), (1984, 111392), (2048, 107911), (3481, 63488), (3658, 60416), (3776, 58528), (3968, 55696), (6962, 31744), (7316, 30208), (7552, 29264), (7936, 27848), (13924, 15872), (14632, 15104)]