28528236

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 80026128

約数和(自身を除く): 51497892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 99, 122, 132, 183, 198, 244, 366, 396, 549, 671, 732, 1098, 1181, 1342, 2013, 2196, 2362, 2684, 3543, 4026, 4724, 6039, 7086, 8052, 10629, 12078, 12991, 14172, 21258, 24156, 25982, 38973, 42516, 51964, 72041, 77946, 116919, 144082, 155892, 216123, 233838, 288164, 432246, 467676, 648369, 792451, 864492, 1296738, 1584902, 2377353, 2593476, 3169804, 4754706, 7132059, 9509412, 14264118, 28528236]

約数ペア:

[(1, 28528236), (2, 14264118), (3, 9509412), (4, 7132059), (6, 4754706), (9, 3169804), (11, 2593476), (12, 2377353), (18, 1584902), (22, 1296738), (33, 864492), (36, 792451), (44, 648369), (61, 467676), (66, 432246), (99, 288164), (122, 233838), (132, 216123), (183, 155892), (198, 144082), (244, 116919), (366, 77946), (396, 72041), (549, 51964), (671, 42516), (732, 38973), (1098, 25982), (1181, 24156), (1342, 21258), (2013, 14172), (2196, 12991), (2362, 12078), (2684, 10629), (3543, 8052), (4026, 7086), (4724, 6039)]