28287996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 74737152

約数和(自身を除く): 46449156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 223, 341, 372, 446, 669, 682, 892, 961, 1023, 1338, 1364, 1922, 2046, 2453, 2676, 2883, 3844, 4092, 4906, 5766, 6913, 7359, 9812, 10571, 11532, 13826, 14718, 20739, 21142, 27652, 29436, 31713, 41478, 42284, 63426, 76043, 82956, 126852, 152086, 214303, 228129, 304172, 428606, 456258, 642909, 857212, 912516, 1285818, 2357333, 2571636, 4714666, 7071999, 9429332, 14143998, 28287996]

約数ペア:

[(1, 28287996), (2, 14143998), (3, 9429332), (4, 7071999), (6, 4714666), (11, 2571636), (12, 2357333), (22, 1285818), (31, 912516), (33, 857212), (44, 642909), (62, 456258), (66, 428606), (93, 304172), (124, 228129), (132, 214303), (186, 152086), (223, 126852), (341, 82956), (372, 76043), (446, 63426), (669, 42284), (682, 41478), (892, 31713), (961, 29436), (1023, 27652), (1338, 21142), (1364, 20739), (1922, 14718), (2046, 13826), (2453, 11532), (2676, 10571), (2883, 9812), (3844, 7359), (4092, 6913), (4906, 5766)]