157640456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 168951544

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 139, 248, 269, 278, 527, 538, 556, 1054, 1076, 1112, 2108, 2152, 2363, 4216, 4309, 4573, 4726, 8339, 8618, 9146, 9452, 16678, 17236, 18292, 18904, 33356, 34472, 36584, 37391, 66712, 73253, 74782, 141763, 146506, 149564, 283526, 293012, 299128, 567052, 586024, 635647, 1134104, 1159121, 1271294, 2318242, 2542588, 4636484, 5085176, 9272968, 19705057, 39410114, 78820228, 157640456]

約数ペア:

[(1, 157640456), (2, 78820228), (4, 39410114), (8, 19705057), (17, 9272968), (31, 5085176), (34, 4636484), (62, 2542588), (68, 2318242), (124, 1271294), (136, 1159121), (139, 1134104), (248, 635647), (269, 586024), (278, 567052), (527, 299128), (538, 293012), (556, 283526), (1054, 149564), (1076, 146506), (1112, 141763), (2108, 74782), (2152, 73253), (2363, 66712), (4216, 37391), (4309, 36584), (4573, 34472), (4726, 33356), (8339, 18904), (8618, 18292), (9146, 17236), (9452, 16678)]