688052196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{20707}}^1$

素因数の和:20801

約数の個数: 72

約数和(自身を含む): 1899503424

約数和(自身を除く): 1211451228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 11076, 16614, 20707, 33228, 41414, 62121, 82828, 124242, 186363, 248484, 269191, 372726, 538382, 745452, 807573, 1076764, 1470197, 1615146, 2422719, 2940394, 3230292, 4410591, 4845438, 5880788, 8821182, 9690876, 13231773, 17642364, 19112561, 26463546, 38225122, 52927092, 57337683, 76450244, 114675366, 172013049, 229350732, 344026098, 688052196]

約数ペア:

[(1, 688052196), (2, 344026098), (3, 229350732), (4, 172013049), (6, 114675366), (9, 76450244), (12, 57337683), (13, 52927092), (18, 38225122), (26, 26463546), (36, 19112561), (39, 17642364), (52, 13231773), (71, 9690876), (78, 8821182), (117, 5880788), (142, 4845438), (156, 4410591), (213, 3230292), (234, 2940394), (284, 2422719), (426, 1615146), (468, 1470197), (639, 1076764), (852, 807573), (923, 745452), (1278, 538382), (1846, 372726), (2556, 269191), (2769, 248484), (3692, 186363), (5538, 124242), (8307, 82828), (11076, 62121), (16614, 41414), (20707, 33228)]