12966990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 32735232

約数和(自身を除く): 19768242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 191, 219, 310, 365, 382, 438, 465, 573, 730, 930, 955, 1095, 1146, 1910, 2190, 2263, 2865, 4526, 5730, 5921, 6789, 11315, 11842, 13578, 13943, 17763, 22630, 27886, 29605, 33945, 35526, 41829, 59210, 67890, 69715, 83658, 88815, 139430, 177630, 209145, 418290, 432233, 864466, 1296699, 2161165, 2593398, 4322330, 6483495, 12966990]

約数ペア:

[(1, 12966990), (2, 6483495), (3, 4322330), (5, 2593398), (6, 2161165), (10, 1296699), (15, 864466), (30, 432233), (31, 418290), (62, 209145), (73, 177630), (93, 139430), (146, 88815), (155, 83658), (186, 69715), (191, 67890), (219, 59210), (310, 41829), (365, 35526), (382, 33945), (438, 29605), (465, 27886), (573, 22630), (730, 17763), (930, 13943), (955, 13578), (1095, 11842), (1146, 11315), (1910, 6789), (2190, 5921), (2263, 5730), (2865, 4526)]