215511816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2179}}^1$

素因数の和:2518

約数の個数: 64

約数和(自身を含む): 582321600

約数和(自身を除く): 366809784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 317, 634, 951, 1268, 1902, 2179, 2536, 3804, 4121, 4358, 6537, 7608, 8242, 8716, 12363, 13074, 16484, 17432, 24726, 26148, 28327, 32968, 49452, 52296, 56654, 84981, 98904, 113308, 169962, 226616, 339924, 679848, 690743, 1381486, 2072229, 2762972, 4144458, 5525944, 8288916, 8979659, 16577832, 17959318, 26938977, 35918636, 53877954, 71837272, 107755908, 215511816]

約数ペア:

[(1, 215511816), (2, 107755908), (3, 71837272), (4, 53877954), (6, 35918636), (8, 26938977), (12, 17959318), (13, 16577832), (24, 8979659), (26, 8288916), (39, 5525944), (52, 4144458), (78, 2762972), (104, 2072229), (156, 1381486), (312, 690743), (317, 679848), (634, 339924), (951, 226616), (1268, 169962), (1902, 113308), (2179, 98904), (2536, 84981), (3804, 56654), (4121, 52296), (4358, 49452), (6537, 32968), (7608, 28327), (8242, 26148), (8716, 24726), (12363, 17432), (13074, 16484)]