890303973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 1389158400

約数和(自身を除く): 498854427

約数列:

[1, 3, 13, 29, 31, 39, 67, 87, 93, 201, 377, 379, 403, 871, 899, 1131, 1137, 1209, 1943, 2077, 2613, 2697, 4927, 5829, 6231, 10991, 11687, 11749, 14781, 25259, 25393, 27001, 32973, 35061, 35247, 60233, 75777, 76179, 81003, 142883, 152737, 180699, 330109, 340721, 428649, 458211, 736397, 783029, 787183, 990327, 1022163, 2209191, 2349087, 2361549, 4429373, 9573161, 10233379, 13288119, 22828307, 28719483, 30700137, 68484921, 296767991, 890303973]

約数ペア:

[(1, 890303973), (3, 296767991), (13, 68484921), (29, 30700137), (31, 28719483), (39, 22828307), (67, 13288119), (87, 10233379), (93, 9573161), (201, 4429373), (377, 2361549), (379, 2349087), (403, 2209191), (871, 1022163), (899, 990327), (1131, 787183), (1137, 783029), (1209, 736397), (1943, 458211), (2077, 428649), (2613, 340721), (2697, 330109), (4927, 180699), (5829, 152737), (6231, 142883), (10991, 81003), (11687, 76179), (11749, 75777), (14781, 60233), (25259, 35247), (25393, 35061), (27001, 32973)]