28491372

素因数分解:

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

素因数の和:269

約数の個数: 144

約数和(自身を含む): 91822080

約数和(自身を除く): 63330708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 169, 182, 189, 223, 234, 252, 273, 338, 351, 364, 378, 446, 468, 507, 546, 669, 676, 702, 756, 819, 892, 1014, 1092, 1183, 1338, 1404, 1521, 1561, 1638, 2007, 2028, 2366, 2457, 2676, 2899, 3042, 3122, 3276, 3549, 4014, 4563, 4683, 4732, 4914, 5798, 6021, 6084, 6244, 7098, 8028, 8697, 9126, 9366, 9828, 10647, 11596, 12042, 14049, 14196, 17394, 18252, 18732, 20293, 21294, 24084, 26091, 28098, 31941, 34788, 37687, 40586, 42147, 42588, 52182, 56196, 60879, 63882, 75374, 78273, 81172, 84294, 104364, 113061, 121758, 127764, 150748, 156546, 168588, 182637, 226122, 243516, 263809, 313092, 339183, 365274, 452244, 527618, 547911, 678366, 730548, 791427, 1017549, 1055236, 1095822, 1356732, 1582854, 2035098, 2191644, 2374281, 3165708, 4070196, 4748562, 7122843, 9497124, 14245686, 28491372]

約数ペア:

[(1, 28491372), (2, 14245686), (3, 9497124), (4, 7122843), (6, 4748562), (7, 4070196), (9, 3165708), (12, 2374281), (13, 2191644), (14, 2035098), (18, 1582854), (21, 1356732), (26, 1095822), (27, 1055236), (28, 1017549), (36, 791427), (39, 730548), (42, 678366), (52, 547911), (54, 527618), (63, 452244), (78, 365274), (84, 339183), (91, 313092), (108, 263809), (117, 243516), (126, 226122), (156, 182637), (169, 168588), (182, 156546), (189, 150748), (223, 127764), (234, 121758), (252, 113061), (273, 104364), (338, 84294), (351, 81172), (364, 78273), (378, 75374), (446, 63882), (468, 60879), (507, 56196), (546, 52182), (669, 42588), (676, 42147), (702, 40586), (756, 37687), (819, 34788), (892, 31941), (1014, 28098), (1092, 26091), (1183, 24084), (1338, 21294), (1404, 20293), (1521, 18732), (1561, 18252), (1638, 17394), (2007, 14196), (2028, 14049), (2366, 12042), (2457, 11596), (2676, 10647), (2899, 9828), (3042, 9366), (3122, 9126), (3276, 8697), (3549, 8028), (4014, 7098), (4563, 6244), (4683, 6084), (4732, 6021), (4914, 5798)]