208719994

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 364392576

約数和(自身を除く): 155672582

約数列:

[1, 2, 7, 14, 73, 146, 331, 511, 617, 662, 1022, 1234, 2317, 4319, 4634, 8638, 24163, 45041, 48326, 90082, 169141, 204227, 315287, 338282, 408454, 630574, 1429589, 2859178, 14908571, 29817142, 104359997, 208719994]

約数ペア:

[(1, 208719994), (2, 104359997), (7, 29817142), (14, 14908571), (73, 2859178), (146, 1429589), (331, 630574), (511, 408454), (617, 338282), (662, 315287), (1022, 204227), (1234, 169141), (2317, 90082), (4319, 48326), (4634, 45041), (8638, 24163)]