261570348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1223}}^1$

素因数の和:1703

約数の個数: 72

約数和(自身を含む): 714194208

約数和(自身を除く): 452623860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 457, 468, 914, 1223, 1371, 1828, 2446, 2742, 3669, 4113, 4892, 5484, 5941, 7338, 8226, 11007, 11882, 14676, 15899, 16452, 17823, 22014, 23764, 31798, 35646, 44028, 47697, 53469, 63596, 71292, 95394, 106938, 143091, 190788, 213876, 286182, 558911, 572364, 1117822, 1676733, 2235644, 3353466, 5030199, 6706932, 7265843, 10060398, 14531686, 20120796, 21797529, 29063372, 43595058, 65392587, 87190116, 130785174, 261570348]

約数ペア:

[(1, 261570348), (2, 130785174), (3, 87190116), (4, 65392587), (6, 43595058), (9, 29063372), (12, 21797529), (13, 20120796), (18, 14531686), (26, 10060398), (36, 7265843), (39, 6706932), (52, 5030199), (78, 3353466), (117, 2235644), (156, 1676733), (234, 1117822), (457, 572364), (468, 558911), (914, 286182), (1223, 213876), (1371, 190788), (1828, 143091), (2446, 106938), (2742, 95394), (3669, 71292), (4113, 63596), (4892, 53469), (5484, 47697), (5941, 44028), (7338, 35646), (8226, 31798), (11007, 23764), (11882, 22014), (14676, 17823), (15899, 16452)]