381711232

素因数分解:

$2^7\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2551}}^1$

素因数の和:2739

約数の個数: 64

約数和(自身を含む): 874621440

約数和(自身を除く): 492910208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 167, 224, 334, 448, 668, 896, 1169, 1336, 2338, 2551, 2672, 4676, 5102, 5344, 9352, 10204, 10688, 17857, 18704, 20408, 21376, 35714, 37408, 40816, 71428, 74816, 81632, 142856, 149632, 163264, 285712, 326528, 426017, 571424, 852034, 1142848, 1704068, 2285696, 2982119, 3408136, 5964238, 6816272, 11928476, 13632544, 23856952, 27265088, 47713904, 54530176, 95427808, 190855616, 381711232]

約数ペア:

[(1, 381711232), (2, 190855616), (4, 95427808), (7, 54530176), (8, 47713904), (14, 27265088), (16, 23856952), (28, 13632544), (32, 11928476), (56, 6816272), (64, 5964238), (112, 3408136), (128, 2982119), (167, 2285696), (224, 1704068), (334, 1142848), (448, 852034), (668, 571424), (896, 426017), (1169, 326528), (1336, 285712), (2338, 163264), (2551, 149632), (2672, 142856), (4676, 81632), (5102, 74816), (5344, 71428), (9352, 40816), (10204, 37408), (10688, 35714), (17857, 21376), (18704, 20408)]