68978312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 144365760

約数和(自身を除く): 75387448

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 83, 104, 122, 131, 166, 244, 262, 332, 488, 524, 664, 793, 1048, 1079, 1586, 1703, 2158, 3172, 3406, 4316, 5063, 6344, 6812, 7991, 8632, 10126, 10873, 13624, 15982, 20252, 21746, 31964, 40504, 43492, 63928, 65819, 86984, 103883, 131638, 141349, 207766, 263276, 282698, 415532, 526552, 565396, 663253, 831064, 1130792, 1326506, 2653012, 5306024, 8622289, 17244578, 34489156, 68978312]

約数ペア:

[(1, 68978312), (2, 34489156), (4, 17244578), (8, 8622289), (13, 5306024), (26, 2653012), (52, 1326506), (61, 1130792), (83, 831064), (104, 663253), (122, 565396), (131, 526552), (166, 415532), (244, 282698), (262, 263276), (332, 207766), (488, 141349), (524, 131638), (664, 103883), (793, 86984), (1048, 65819), (1079, 63928), (1586, 43492), (1703, 40504), (2158, 31964), (3172, 21746), (3406, 20252), (4316, 15982), (5063, 13624), (6344, 10873), (6812, 10126), (7991, 8632)]