645312316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1\times {\mathrm{947}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 1307238912

約数和(自身を除く): 661926596

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 911, 947, 1822, 1894, 3644, 3788, 10021, 10417, 15487, 16099, 20042, 20834, 30974, 32198, 40084, 41668, 61948, 64396, 170357, 177089, 340714, 354178, 681428, 708356, 862717, 1725434, 3450868, 9489887, 14666189, 18979774, 29332378, 37959548, 58664756, 161328079, 322656158, 645312316]

約数ペア:

[(1, 645312316), (2, 322656158), (4, 161328079), (11, 58664756), (17, 37959548), (22, 29332378), (34, 18979774), (44, 14666189), (68, 9489887), (187, 3450868), (374, 1725434), (748, 862717), (911, 708356), (947, 681428), (1822, 354178), (1894, 340714), (3644, 177089), (3788, 170357), (10021, 64396), (10417, 61948), (15487, 41668), (16099, 40084), (20042, 32198), (20834, 30974)]