28350812

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 63584640

約数和(自身を除く): 35233828

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 331, 437, 532, 644, 662, 874, 931, 1127, 1324, 1748, 1862, 2254, 2317, 3059, 3724, 4508, 4634, 6118, 6289, 7613, 9268, 12236, 12578, 15226, 16219, 21413, 25156, 30452, 32438, 42826, 44023, 53291, 64876, 85652, 88046, 106582, 144647, 176092, 213164, 289294, 308161, 373037, 578588, 616322, 746074, 1012529, 1232644, 1492148, 2025058, 4050116, 7087703, 14175406, 28350812]

約数ペア:

[(1, 28350812), (2, 14175406), (4, 7087703), (7, 4050116), (14, 2025058), (19, 1492148), (23, 1232644), (28, 1012529), (38, 746074), (46, 616322), (49, 578588), (76, 373037), (92, 308161), (98, 289294), (133, 213164), (161, 176092), (196, 144647), (266, 106582), (322, 88046), (331, 85652), (437, 64876), (532, 53291), (644, 44023), (662, 42826), (874, 32438), (931, 30452), (1127, 25156), (1324, 21413), (1748, 16219), (1862, 15226), (2254, 12578), (2317, 12236), (3059, 9268), (3724, 7613), (4508, 6289), (4634, 6118)]