28716786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 73916544

約数和(自身を除く): 45199758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 271, 406, 522, 542, 609, 813, 841, 1218, 1626, 1682, 1827, 1897, 2439, 2523, 3654, 3794, 4878, 5046, 5691, 5887, 7569, 7859, 11382, 11774, 15138, 15718, 17073, 17661, 23577, 34146, 35322, 47154, 52983, 55013, 70731, 105966, 110026, 141462, 165039, 227911, 330078, 455822, 495117, 683733, 990234, 1367466, 1595377, 2051199, 3190754, 4102398, 4786131, 9572262, 14358393, 28716786]

約数ペア:

[(1, 28716786), (2, 14358393), (3, 9572262), (6, 4786131), (7, 4102398), (9, 3190754), (14, 2051199), (18, 1595377), (21, 1367466), (29, 990234), (42, 683733), (58, 495117), (63, 455822), (87, 330078), (126, 227911), (174, 165039), (203, 141462), (261, 110026), (271, 105966), (406, 70731), (522, 55013), (542, 52983), (609, 47154), (813, 35322), (841, 34146), (1218, 23577), (1626, 17661), (1682, 17073), (1827, 15718), (1897, 15138), (2439, 11774), (2523, 11382), (3654, 7859), (3794, 7569), (4878, 5887), (5046, 5691)]