67781584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 155146320

約数和(自身を除く): 87364736

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 208, 221, 232, 272, 377, 442, 464, 493, 661, 754, 884, 986, 1322, 1508, 1768, 1972, 2644, 3016, 3536, 3944, 5288, 6032, 6409, 7888, 8593, 10576, 11237, 12818, 17186, 19169, 22474, 25636, 34372, 38338, 44948, 51272, 68744, 76676, 89896, 102544, 137488, 146081, 153352, 179792, 249197, 292162, 306704, 325873, 498394, 584324, 651746, 996788, 1168648, 1303492, 1993576, 2337296, 2606984, 3987152, 4236349, 5213968, 8472698, 16945396, 33890792, 67781584]

約数ペア:

[(1, 67781584), (2, 33890792), (4, 16945396), (8, 8472698), (13, 5213968), (16, 4236349), (17, 3987152), (26, 2606984), (29, 2337296), (34, 1993576), (52, 1303492), (58, 1168648), (68, 996788), (104, 651746), (116, 584324), (136, 498394), (208, 325873), (221, 306704), (232, 292162), (272, 249197), (377, 179792), (442, 153352), (464, 146081), (493, 137488), (661, 102544), (754, 89896), (884, 76676), (986, 68744), (1322, 51272), (1508, 44948), (1768, 38338), (1972, 34372), (2644, 25636), (3016, 22474), (3536, 19169), (3944, 17186), (5288, 12818), (6032, 11237), (6409, 10576), (7888, 8593)]