28281132

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4201}}^1$

素因数の和:4239

約数の個数: 72

約数和(自身を含む): 82594512

約数和(自身を除く): 54313380

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3366, 4201, 6732, 8402, 12603, 16804, 25206, 37809, 46211, 50412, 71417, 75618, 92422, 138633, 142834, 151236, 184844, 214251, 277266, 285668, 415899, 428502, 554532, 642753, 785587, 831798, 857004, 1285506, 1571174, 1663596, 2356761, 2571012, 3142348, 4713522, 7070283, 9427044, 14140566, 28281132]

約数ペア:

[(1, 28281132), (2, 14140566), (3, 9427044), (4, 7070283), (6, 4713522), (9, 3142348), (11, 2571012), (12, 2356761), (17, 1663596), (18, 1571174), (22, 1285506), (33, 857004), (34, 831798), (36, 785587), (44, 642753), (51, 554532), (66, 428502), (68, 415899), (99, 285668), (102, 277266), (132, 214251), (153, 184844), (187, 151236), (198, 142834), (204, 138633), (306, 92422), (374, 75618), (396, 71417), (561, 50412), (612, 46211), (748, 37809), (1122, 25206), (1683, 16804), (2244, 12603), (3366, 8402), (4201, 6732)]