68628665

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 105390720

約数和(自身を除く): 36762055

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 245, 437, 641, 665, 805, 931, 1127, 2185, 3059, 3205, 4487, 4655, 5635, 12179, 14743, 15295, 21413, 22435, 31409, 60895, 73715, 85253, 103201, 107065, 157045, 280117, 426265, 516005, 596771, 722407, 1400585, 1960819, 2983855, 3612035, 9804095, 13725733, 68628665]

約数ペア:

[(1, 68628665), (5, 13725733), (7, 9804095), (19, 3612035), (23, 2983855), (35, 1960819), (49, 1400585), (95, 722407), (115, 596771), (133, 516005), (161, 426265), (245, 280117), (437, 157045), (641, 107065), (665, 103201), (805, 85253), (931, 73715), (1127, 60895), (2185, 31409), (3059, 22435), (3205, 21413), (4487, 15295), (4655, 14743), (5635, 12179)]