3961405

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 6238080

約数和(自身を除く): 2276675

約数列:

[1, 5, 7, 19, 23, 35, 37, 49, 95, 115, 133, 161, 185, 245, 259, 437, 665, 703, 805, 851, 931, 1127, 1295, 1813, 2185, 3059, 3515, 4255, 4655, 4921, 5635, 5957, 9065, 15295, 16169, 21413, 24605, 29785, 34447, 41699, 80845, 107065, 113183, 172235, 208495, 565915, 792281, 3961405]

約数ペア:

[(1, 3961405), (5, 792281), (7, 565915), (19, 208495), (23, 172235), (35, 113183), (37, 107065), (49, 80845), (95, 41699), (115, 34447), (133, 29785), (161, 24605), (185, 21413), (245, 16169), (259, 15295), (437, 9065), (665, 5957), (703, 5635), (805, 4921), (851, 4655), (931, 4255), (1127, 3515), (1295, 3059), (1813, 2185)]