7922278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 16128000

約数和(自身を除く): 8205722

約数列:

[1, 2, 7, 13, 14, 19, 26, 29, 38, 58, 79, 91, 133, 158, 182, 203, 247, 266, 377, 406, 494, 551, 553, 754, 1027, 1102, 1106, 1501, 1729, 2054, 2291, 2639, 3002, 3458, 3857, 4582, 5278, 7163, 7189, 7714, 10507, 14326, 14378, 16037, 19513, 21014, 29783, 32074, 39026, 43529, 50141, 59566, 87058, 100282, 136591, 208481, 273182, 304703, 416962, 565877, 609406, 1131754, 3961139, 7922278]

約数ペア:

[(1, 7922278), (2, 3961139), (7, 1131754), (13, 609406), (14, 565877), (19, 416962), (26, 304703), (29, 273182), (38, 208481), (58, 136591), (79, 100282), (91, 87058), (133, 59566), (158, 50141), (182, 43529), (203, 39026), (247, 32074), (266, 29783), (377, 21014), (406, 19513), (494, 16037), (551, 14378), (553, 14326), (754, 10507), (1027, 7714), (1102, 7189), (1106, 7163), (1501, 5278), (1729, 4582), (2054, 3857), (2291, 3458), (2639, 3002)]