155115548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 341433120

約数和(自身を除く): 186317572

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 289, 406, 476, 493, 578, 661, 812, 986, 1156, 1322, 1972, 2023, 2644, 3451, 4046, 4627, 6902, 8092, 8381, 9254, 11237, 13804, 16762, 18508, 19169, 22474, 33524, 38338, 44948, 58667, 76676, 78659, 117334, 134183, 157318, 191029, 234668, 268366, 314636, 325873, 382058, 536732, 651746, 764116, 1303492, 1337203, 2281111, 2674406, 4562222, 5348812, 5539841, 9124444, 11079682, 22159364, 38778887, 77557774, 155115548]

約数ペア:

[(1, 155115548), (2, 77557774), (4, 38778887), (7, 22159364), (14, 11079682), (17, 9124444), (28, 5539841), (29, 5348812), (34, 4562222), (58, 2674406), (68, 2281111), (116, 1337203), (119, 1303492), (203, 764116), (238, 651746), (289, 536732), (406, 382058), (476, 325873), (493, 314636), (578, 268366), (661, 234668), (812, 191029), (986, 157318), (1156, 134183), (1322, 117334), (1972, 78659), (2023, 76676), (2644, 58667), (3451, 44948), (4046, 38338), (4627, 33524), (6902, 22474), (8092, 19169), (8381, 18508), (9254, 16762), (11237, 13804)]