643814038

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{643}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 1193303664

約数和(自身を除く): 549489626

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 601, 643, 833, 1202, 1286, 1666, 4207, 4501, 8414, 9002, 10217, 10931, 20434, 21862, 29449, 31507, 58898, 63014, 71519, 76517, 143038, 153034, 386443, 500633, 535619, 772886, 1001266, 1071238, 2705101, 5410202, 6569531, 13139062, 18935707, 37871414, 45986717, 91973434, 321907019, 643814038]

約数ペア:

[(1, 643814038), (2, 321907019), (7, 91973434), (14, 45986717), (17, 37871414), (34, 18935707), (49, 13139062), (98, 6569531), (119, 5410202), (238, 2705101), (601, 1071238), (643, 1001266), (833, 772886), (1202, 535619), (1286, 500633), (1666, 386443), (4207, 153034), (4501, 143038), (8414, 76517), (9002, 71519), (10217, 63014), (10931, 58898), (20434, 31507), (21862, 29449)]