128974384

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 325090304

約数和(自身を除く): 196115920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 242, 248, 307, 308, 341, 434, 484, 496, 614, 616, 682, 847, 868, 968, 1228, 1232, 1364, 1694, 1736, 1936, 2149, 2387, 2456, 2728, 3377, 3388, 3472, 3751, 4298, 4774, 4912, 5456, 6754, 6776, 7502, 8596, 9517, 9548, 13508, 13552, 15004, 17192, 19034, 19096, 23639, 26257, 27016, 30008, 34384, 37147, 38068, 38192, 47278, 52514, 54032, 60016, 66619, 74294, 76136, 94556, 104687, 105028, 133238, 148588, 152272, 189112, 209374, 210056, 260029, 266476, 297176, 378224, 418748, 420112, 520058, 532952, 594352, 732809, 837496, 1040116, 1065904, 1151557, 1465618, 1674992, 2080232, 2303114, 2931236, 4160464, 4606228, 5862472, 8060899, 9212456, 11724944, 16121798, 18424912, 32243596, 64487192, 128974384]

約数ペア:

[(1, 128974384), (2, 64487192), (4, 32243596), (7, 18424912), (8, 16121798), (11, 11724944), (14, 9212456), (16, 8060899), (22, 5862472), (28, 4606228), (31, 4160464), (44, 2931236), (56, 2303114), (62, 2080232), (77, 1674992), (88, 1465618), (112, 1151557), (121, 1065904), (124, 1040116), (154, 837496), (176, 732809), (217, 594352), (242, 532952), (248, 520058), (307, 420112), (308, 418748), (341, 378224), (434, 297176), (484, 266476), (496, 260029), (614, 210056), (616, 209374), (682, 189112), (847, 152272), (868, 148588), (968, 133238), (1228, 105028), (1232, 104687), (1364, 94556), (1694, 76136), (1736, 74294), (1936, 66619), (2149, 60016), (2387, 54032), (2456, 52514), (2728, 47278), (3377, 38192), (3388, 38068), (3472, 37147), (3751, 34384), (4298, 30008), (4774, 27016), (4912, 26257), (5456, 23639), (6754, 19096), (6776, 19034), (7502, 17192), (8596, 15004), (9517, 13552), (9548, 13508)]