31415552

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 73387776

約数和(自身を除く): 41972224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 373, 376, 448, 658, 746, 752, 896, 1316, 1492, 1504, 1792, 2611, 2632, 2984, 3008, 5222, 5264, 5968, 6016, 10444, 10528, 11936, 12032, 17531, 20888, 21056, 23872, 35062, 41776, 42112, 47744, 70124, 83552, 84224, 95488, 122717, 140248, 167104, 245434, 280496, 334208, 490868, 560992, 668416, 981736, 1121984, 1963472, 2243968, 3926944, 4487936, 7853888, 15707776, 31415552]

約数ペア:

[(1, 31415552), (2, 15707776), (4, 7853888), (7, 4487936), (8, 3926944), (14, 2243968), (16, 1963472), (28, 1121984), (32, 981736), (47, 668416), (56, 560992), (64, 490868), (94, 334208), (112, 280496), (128, 245434), (188, 167104), (224, 140248), (256, 122717), (329, 95488), (373, 84224), (376, 83552), (448, 70124), (658, 47744), (746, 42112), (752, 41776), (896, 35062), (1316, 23872), (1492, 21056), (1504, 20888), (1792, 17531), (2611, 12032), (2632, 11936), (2984, 10528), (3008, 10444), (5222, 6016), (5264, 5968)]