404795690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{8821}}^1$

素因数の和:9194

約数の個数: 32

約数和(自身を含む): 786992976

約数和(自身を除く): 382197286

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 706, 1765, 3530, 4589, 8821, 9178, 17642, 22945, 44105, 45890, 88210, 114673, 229346, 573365, 1146730, 3113813, 6227626, 15569065, 31138130, 40479569, 80959138, 202397845, 404795690]

約数ペア:

[(1, 404795690), (2, 202397845), (5, 80959138), (10, 40479569), (13, 31138130), (26, 15569065), (65, 6227626), (130, 3113813), (353, 1146730), (706, 573365), (1765, 229346), (3530, 114673), (4589, 88210), (8821, 45890), (9178, 44105), (17642, 22945)]