31428012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 96066432

約数和(自身を除く): 64638420

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 49, 66, 77, 84, 86, 98, 113, 129, 132, 147, 154, 172, 196, 226, 231, 258, 294, 301, 308, 339, 452, 462, 473, 516, 539, 588, 602, 678, 791, 903, 924, 946, 1078, 1204, 1243, 1356, 1419, 1582, 1617, 1806, 1892, 2107, 2156, 2373, 2486, 2838, 3164, 3234, 3311, 3612, 3729, 4214, 4746, 4859, 4972, 5537, 5676, 6321, 6468, 6622, 7458, 8428, 8701, 9492, 9718, 9933, 11074, 12642, 13244, 14577, 14916, 16611, 17402, 19436, 19866, 22148, 23177, 25284, 26103, 29154, 33222, 34013, 34804, 39732, 46354, 52206, 53449, 58308, 60907, 66444, 68026, 69531, 92708, 102039, 104412, 106898, 121814, 136052, 139062, 160347, 182721, 204078, 213796, 238091, 243628, 278124, 320694, 365442, 374143, 408156, 476182, 641388, 714273, 730884, 748286, 952364, 1122429, 1428546, 1496572, 2244858, 2619001, 2857092, 4489716, 5238002, 7857003, 10476004, 15714006, 31428012]

約数ペア:

[(1, 31428012), (2, 15714006), (3, 10476004), (4, 7857003), (6, 5238002), (7, 4489716), (11, 2857092), (12, 2619001), (14, 2244858), (21, 1496572), (22, 1428546), (28, 1122429), (33, 952364), (42, 748286), (43, 730884), (44, 714273), (49, 641388), (66, 476182), (77, 408156), (84, 374143), (86, 365442), (98, 320694), (113, 278124), (129, 243628), (132, 238091), (147, 213796), (154, 204078), (172, 182721), (196, 160347), (226, 139062), (231, 136052), (258, 121814), (294, 106898), (301, 104412), (308, 102039), (339, 92708), (452, 69531), (462, 68026), (473, 66444), (516, 60907), (539, 58308), (588, 53449), (602, 52206), (678, 46354), (791, 39732), (903, 34804), (924, 34013), (946, 33222), (1078, 29154), (1204, 26103), (1243, 25284), (1356, 23177), (1419, 22148), (1582, 19866), (1617, 19436), (1806, 17402), (1892, 16611), (2107, 14916), (2156, 14577), (2373, 13244), (2486, 12642), (2838, 11074), (3164, 9933), (3234, 9718), (3311, 9492), (3612, 8701), (3729, 8428), (4214, 7458), (4746, 6622), (4859, 6468), (4972, 6321), (5537, 5676)]