438780862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 718502400

約数和(自身を除く): 279721538

約数列:

[1, 2, 13, 26, 149, 191, 298, 382, 593, 1186, 1937, 2483, 3874, 4966, 7709, 15418, 28459, 56918, 88357, 113263, 176714, 226526, 369967, 739934, 1148641, 1472419, 2297282, 2944838, 16876187, 33752374, 219390431, 438780862]

約数ペア:

[(1, 438780862), (2, 219390431), (13, 33752374), (26, 16876187), (149, 2944838), (191, 2297282), (298, 1472419), (382, 1148641), (593, 739934), (1186, 369967), (1937, 226526), (2483, 176714), (3874, 113263), (4966, 88357), (7709, 56918), (15418, 28459)]