28879228

素因数分解:

$2^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 61487552

約数和(自身を除く): 32608324

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 97, 98, 124, 194, 196, 217, 343, 388, 434, 679, 686, 868, 1358, 1372, 1519, 2401, 2716, 3007, 3038, 4753, 4802, 6014, 6076, 9506, 9604, 10633, 12028, 19012, 21049, 21266, 33271, 42098, 42532, 66542, 74431, 84196, 133084, 147343, 148862, 232897, 294686, 297724, 465794, 589372, 931588, 1031401, 2062802, 4125604, 7219807, 14439614, 28879228]

約数ペア:

[(1, 28879228), (2, 14439614), (4, 7219807), (7, 4125604), (14, 2062802), (28, 1031401), (31, 931588), (49, 589372), (62, 465794), (97, 297724), (98, 294686), (124, 232897), (194, 148862), (196, 147343), (217, 133084), (343, 84196), (388, 74431), (434, 66542), (679, 42532), (686, 42098), (868, 33271), (1358, 21266), (1372, 21049), (1519, 19012), (2401, 12028), (2716, 10633), (3007, 9604), (3038, 9506), (4753, 6076), (4802, 6014)]