201999460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776921}}^1$

素因数の和:776943

約数の個数: 24

約数和(自身を含む): 456830136

約数和(自身を除く): 254830676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776921, 1553842, 3107684, 3884605, 7769210, 10099973, 15538420, 20199946, 40399892, 50499865, 100999730, 201999460]

約数ペア:

[(1, 201999460), (2, 100999730), (4, 50499865), (5, 40399892), (10, 20199946), (13, 15538420), (20, 10099973), (26, 7769210), (52, 3884605), (65, 3107684), (130, 1553842), (260, 776921)]