131011328

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2573

約数の個数: 72

約数和(自身を含む): 309298080

約数和(自身を除く): 178286752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 812, 896, 928, 1624, 1792, 1856, 2521, 3248, 3712, 5042, 6496, 7424, 10084, 12992, 17647, 20168, 25984, 35294, 40336, 51968, 70588, 73109, 80672, 141176, 146218, 161344, 282352, 292436, 322688, 511763, 564704, 584872, 645376, 1023526, 1129408, 1169744, 2047052, 2258816, 2339488, 4094104, 4517632, 4678976, 8188208, 9357952, 16376416, 18715904, 32752832, 65505664, 131011328]

約数ペア:

[(1, 131011328), (2, 65505664), (4, 32752832), (7, 18715904), (8, 16376416), (14, 9357952), (16, 8188208), (28, 4678976), (29, 4517632), (32, 4094104), (56, 2339488), (58, 2258816), (64, 2047052), (112, 1169744), (116, 1129408), (128, 1023526), (203, 645376), (224, 584872), (232, 564704), (256, 511763), (406, 322688), (448, 292436), (464, 282352), (812, 161344), (896, 146218), (928, 141176), (1624, 80672), (1792, 73109), (1856, 70588), (2521, 51968), (3248, 40336), (3712, 35294), (5042, 25984), (6496, 20168), (7424, 17647), (10084, 12992)]