28215408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 79439360

約数和(自身を除く): 51223952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 309, 312, 412, 439, 618, 624, 824, 878, 1236, 1317, 1339, 1648, 1756, 2472, 2634, 2678, 3512, 4017, 4944, 5268, 5356, 5707, 7024, 8034, 10536, 10712, 11414, 16068, 17121, 21072, 21424, 22828, 32136, 34242, 45217, 45656, 64272, 68484, 90434, 91312, 135651, 136968, 180868, 271302, 273936, 361736, 542604, 587821, 723472, 1085208, 1175642, 1763463, 2170416, 2351284, 3526926, 4702568, 7053852, 9405136, 14107704, 28215408]

約数ペア:

[(1, 28215408), (2, 14107704), (3, 9405136), (4, 7053852), (6, 4702568), (8, 3526926), (12, 2351284), (13, 2170416), (16, 1763463), (24, 1175642), (26, 1085208), (39, 723472), (48, 587821), (52, 542604), (78, 361736), (103, 273936), (104, 271302), (156, 180868), (206, 136968), (208, 135651), (309, 91312), (312, 90434), (412, 68484), (439, 64272), (618, 45656), (624, 45217), (824, 34242), (878, 32136), (1236, 22828), (1317, 21424), (1339, 21072), (1648, 17121), (1756, 16068), (2472, 11414), (2634, 10712), (2678, 10536), (3512, 8034), (4017, 7024), (4944, 5707), (5268, 5356)]