78508404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{739}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 214949280

約数和(自身を除く): 136440876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 454, 468, 681, 739, 908, 1362, 1478, 2043, 2217, 2724, 2951, 2956, 4086, 4434, 5902, 6651, 8172, 8853, 8868, 9607, 11804, 13302, 17706, 19214, 26559, 26604, 28821, 35412, 38428, 53118, 57642, 86463, 106236, 115284, 167753, 172926, 335506, 345852, 503259, 671012, 1006518, 1509777, 2013036, 2180789, 3019554, 4361578, 6039108, 6542367, 8723156, 13084734, 19627101, 26169468, 39254202, 78508404]

約数ペア:

[(1, 78508404), (2, 39254202), (3, 26169468), (4, 19627101), (6, 13084734), (9, 8723156), (12, 6542367), (13, 6039108), (18, 4361578), (26, 3019554), (36, 2180789), (39, 2013036), (52, 1509777), (78, 1006518), (117, 671012), (156, 503259), (227, 345852), (234, 335506), (454, 172926), (468, 167753), (681, 115284), (739, 106236), (908, 86463), (1362, 57642), (1478, 53118), (2043, 38428), (2217, 35412), (2724, 28821), (2951, 26604), (2956, 26559), (4086, 19214), (4434, 17706), (5902, 13302), (6651, 11804), (8172, 9607), (8853, 8868)]