28766608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 36854192

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 208, 232, 247, 251, 304, 377, 464, 494, 502, 551, 754, 988, 1004, 1102, 1508, 1976, 2008, 2204, 3016, 3263, 3952, 4016, 4408, 4769, 6032, 6526, 7163, 7279, 8816, 9538, 13052, 14326, 14558, 19076, 26104, 28652, 29116, 38152, 52208, 57304, 58232, 61997, 76304, 94627, 114608, 116464, 123994, 138301, 189254, 247988, 276602, 378508, 495976, 553204, 757016, 991952, 1106408, 1514032, 1797913, 2212816, 3595826, 7191652, 14383304, 28766608]

約数ペア:

[(1, 28766608), (2, 14383304), (4, 7191652), (8, 3595826), (13, 2212816), (16, 1797913), (19, 1514032), (26, 1106408), (29, 991952), (38, 757016), (52, 553204), (58, 495976), (76, 378508), (104, 276602), (116, 247988), (152, 189254), (208, 138301), (232, 123994), (247, 116464), (251, 114608), (304, 94627), (377, 76304), (464, 61997), (494, 58232), (502, 57304), (551, 52208), (754, 38152), (988, 29116), (1004, 28652), (1102, 26104), (1508, 19076), (1976, 14558), (2008, 14326), (2204, 13052), (3016, 9538), (3263, 8816), (3952, 7279), (4016, 7163), (4408, 6526), (4769, 6032)]