291217428

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{20173}}^1$

素因数の和:20584

約数の個数: 36

約数和(自身を含む): 738005268

約数和(自身を除く): 446787840

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 2406, 3609, 4812, 7218, 14436, 20173, 40346, 60519, 80692, 121038, 181557, 242076, 363114, 726228, 8089373, 16178746, 24268119, 32357492, 48536238, 72804357, 97072476, 145608714, 291217428]

約数ペア:

[(1, 291217428), (2, 145608714), (3, 97072476), (4, 72804357), (6, 48536238), (9, 32357492), (12, 24268119), (18, 16178746), (36, 8089373), (401, 726228), (802, 363114), (1203, 242076), (1604, 181557), (2406, 121038), (3609, 80692), (4812, 60519), (7218, 40346), (14436, 20173)]