28431774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 47047266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 31, 42, 58, 62, 63, 87, 93, 126, 174, 186, 203, 217, 251, 261, 279, 406, 434, 502, 522, 558, 609, 651, 753, 899, 1218, 1302, 1506, 1757, 1798, 1827, 1953, 2259, 2697, 3514, 3654, 3906, 4518, 5271, 5394, 6293, 7279, 7781, 8091, 10542, 12586, 14558, 15562, 15813, 16182, 18879, 21837, 23343, 31626, 37758, 43674, 46686, 50953, 54467, 56637, 65511, 70029, 101906, 108934, 113274, 131022, 140058, 152859, 163401, 225649, 305718, 326802, 451298, 458577, 490203, 676947, 917154, 980406, 1353894, 1579543, 2030841, 3159086, 4061682, 4738629, 9477258, 14215887, 28431774]

約数ペア:

[(1, 28431774), (2, 14215887), (3, 9477258), (6, 4738629), (7, 4061682), (9, 3159086), (14, 2030841), (18, 1579543), (21, 1353894), (29, 980406), (31, 917154), (42, 676947), (58, 490203), (62, 458577), (63, 451298), (87, 326802), (93, 305718), (126, 225649), (174, 163401), (186, 152859), (203, 140058), (217, 131022), (251, 113274), (261, 108934), (279, 101906), (406, 70029), (434, 65511), (502, 56637), (522, 54467), (558, 50953), (609, 46686), (651, 43674), (753, 37758), (899, 31626), (1218, 23343), (1302, 21837), (1506, 18879), (1757, 16182), (1798, 15813), (1827, 15562), (1953, 14558), (2259, 12586), (2697, 10542), (3514, 8091), (3654, 7781), (3906, 7279), (4518, 6293), (5271, 5394)]