253447568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 576296448

約数和(自身を除く): 322848880

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 41, 44, 62, 82, 88, 103, 121, 124, 164, 176, 206, 242, 248, 328, 341, 412, 451, 484, 496, 656, 682, 824, 902, 968, 1133, 1271, 1364, 1648, 1804, 1936, 2266, 2542, 2728, 3193, 3608, 3751, 4223, 4532, 4961, 5084, 5456, 6386, 7216, 7502, 8446, 9064, 9922, 10168, 12463, 12772, 13981, 15004, 16892, 18128, 19844, 20336, 24926, 25544, 27962, 30008, 33784, 35123, 39688, 46453, 49852, 51088, 55924, 60016, 67568, 70246, 79376, 92906, 99704, 111848, 130913, 140492, 153791, 185812, 199408, 223696, 261826, 280984, 307582, 371624, 386353, 510983, 523652, 561968, 615164, 743248, 772706, 1021966, 1047304, 1230328, 1440043, 1545412, 2043932, 2094608, 2460656, 2880086, 3090824, 4087864, 5760172, 6181648, 8175728, 11520344, 15840473, 23040688, 31680946, 63361892, 126723784, 253447568]

約数ペア:

[(1, 253447568), (2, 126723784), (4, 63361892), (8, 31680946), (11, 23040688), (16, 15840473), (22, 11520344), (31, 8175728), (41, 6181648), (44, 5760172), (62, 4087864), (82, 3090824), (88, 2880086), (103, 2460656), (121, 2094608), (124, 2043932), (164, 1545412), (176, 1440043), (206, 1230328), (242, 1047304), (248, 1021966), (328, 772706), (341, 743248), (412, 615164), (451, 561968), (484, 523652), (496, 510983), (656, 386353), (682, 371624), (824, 307582), (902, 280984), (968, 261826), (1133, 223696), (1271, 199408), (1364, 185812), (1648, 153791), (1804, 140492), (1936, 130913), (2266, 111848), (2542, 99704), (2728, 92906), (3193, 79376), (3608, 70246), (3751, 67568), (4223, 60016), (4532, 55924), (4961, 51088), (5084, 49852), (5456, 46453), (6386, 39688), (7216, 35123), (7502, 33784), (8446, 30008), (9064, 27962), (9922, 25544), (10168, 24926), (12463, 20336), (12772, 19844), (13981, 18128), (15004, 16892)]