31413564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 100452352

約数和(自身を除く): 69038788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 182, 223, 234, 252, 258, 273, 301, 364, 387, 446, 468, 516, 546, 559, 602, 669, 774, 819, 892, 903, 1092, 1118, 1204, 1338, 1548, 1561, 1638, 1677, 1806, 2007, 2236, 2676, 2709, 2899, 3122, 3276, 3354, 3612, 3913, 4014, 4683, 5031, 5418, 5798, 6244, 6708, 7826, 8028, 8697, 9366, 9589, 10062, 10836, 11596, 11739, 14049, 15652, 17394, 18732, 19178, 20124, 20293, 23478, 26091, 28098, 28767, 34788, 35217, 38356, 40586, 46956, 52182, 56196, 57534, 60879, 67123, 70434, 81172, 86301, 104364, 115068, 121758, 124657, 134246, 140868, 172602, 182637, 201369, 243516, 249314, 268492, 345204, 365274, 373971, 402738, 498628, 604107, 730548, 747942, 805476, 872599, 1121913, 1208214, 1495884, 1745198, 2243826, 2416428, 2617797, 3490396, 4487652, 5235594, 7853391, 10471188, 15706782, 31413564]

約数ペア:

[(1, 31413564), (2, 15706782), (3, 10471188), (4, 7853391), (6, 5235594), (7, 4487652), (9, 3490396), (12, 2617797), (13, 2416428), (14, 2243826), (18, 1745198), (21, 1495884), (26, 1208214), (28, 1121913), (36, 872599), (39, 805476), (42, 747942), (43, 730548), (52, 604107), (63, 498628), (78, 402738), (84, 373971), (86, 365274), (91, 345204), (117, 268492), (126, 249314), (129, 243516), (156, 201369), (172, 182637), (182, 172602), (223, 140868), (234, 134246), (252, 124657), (258, 121758), (273, 115068), (301, 104364), (364, 86301), (387, 81172), (446, 70434), (468, 67123), (516, 60879), (546, 57534), (559, 56196), (602, 52182), (669, 46956), (774, 40586), (819, 38356), (892, 35217), (903, 34788), (1092, 28767), (1118, 28098), (1204, 26091), (1338, 23478), (1548, 20293), (1561, 20124), (1638, 19178), (1677, 18732), (1806, 17394), (2007, 15652), (2236, 14049), (2676, 11739), (2709, 11596), (2899, 10836), (3122, 10062), (3276, 9589), (3354, 9366), (3612, 8697), (3913, 8028), (4014, 7826), (4683, 6708), (5031, 6244), (5418, 5798)]