28871106

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 66134016

約数和(自身を除く): 37262910

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 103, 137, 186, 206, 274, 309, 341, 411, 618, 682, 822, 1023, 1133, 1507, 2046, 2266, 3014, 3193, 3399, 4247, 4521, 6386, 6798, 8494, 9042, 9579, 12741, 14111, 19158, 25482, 28222, 35123, 42333, 46717, 70246, 84666, 93434, 105369, 140151, 155221, 210738, 280302, 310442, 437441, 465663, 874882, 931326, 1312323, 2624646, 4811851, 9623702, 14435553, 28871106]

約数ペア:

[(1, 28871106), (2, 14435553), (3, 9623702), (6, 4811851), (11, 2624646), (22, 1312323), (31, 931326), (33, 874882), (62, 465663), (66, 437441), (93, 310442), (103, 280302), (137, 210738), (186, 155221), (206, 140151), (274, 105369), (309, 93434), (341, 84666), (411, 70246), (618, 46717), (682, 42333), (822, 35123), (1023, 28222), (1133, 25482), (1507, 19158), (2046, 14111), (2266, 12741), (3014, 9579), (3193, 9042), (3399, 8494), (4247, 6798), (4521, 6386)]