403722046

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 764467200

約数和(自身を除く): 360745154

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 157, 182, 199, 314, 398, 497, 923, 994, 1099, 1393, 1846, 2041, 2198, 2587, 2786, 4082, 5174, 6461, 11147, 12922, 14129, 14287, 18109, 22294, 28258, 28574, 31243, 36218, 62486, 78029, 98903, 144911, 156058, 183677, 197806, 218701, 289822, 367354, 406159, 437402, 812318, 1014377, 1285739, 2028754, 2218253, 2571478, 2843113, 4436506, 5686226, 15527771, 28837289, 31055542, 57674578, 201861023, 403722046]

約数ペア:

[(1, 403722046), (2, 201861023), (7, 57674578), (13, 31055542), (14, 28837289), (26, 15527771), (71, 5686226), (91, 4436506), (142, 2843113), (157, 2571478), (182, 2218253), (199, 2028754), (314, 1285739), (398, 1014377), (497, 812318), (923, 437402), (994, 406159), (1099, 367354), (1393, 289822), (1846, 218701), (2041, 197806), (2198, 183677), (2587, 156058), (2786, 144911), (4082, 98903), (5174, 78029), (6461, 62486), (11147, 36218), (12922, 31243), (14129, 28574), (14287, 28258), (18109, 22294)]