138473728

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 288449280

約数和(自身を除く): 149975552

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 79, 82, 128, 158, 164, 167, 256, 316, 328, 334, 632, 656, 668, 1264, 1312, 1336, 2528, 2624, 2672, 3239, 5056, 5248, 5344, 6478, 6847, 10112, 10496, 10688, 12956, 13193, 13694, 20224, 21376, 25912, 26386, 27388, 42752, 51824, 52772, 54776, 103648, 105544, 109552, 207296, 211088, 219104, 414592, 422176, 438208, 540913, 829184, 844352, 876416, 1081826, 1688704, 1752832, 2163652, 3377408, 4327304, 8654608, 17309216, 34618432, 69236864, 138473728]

約数ペア:

[(1, 138473728), (2, 69236864), (4, 34618432), (8, 17309216), (16, 8654608), (32, 4327304), (41, 3377408), (64, 2163652), (79, 1752832), (82, 1688704), (128, 1081826), (158, 876416), (164, 844352), (167, 829184), (256, 540913), (316, 438208), (328, 422176), (334, 414592), (632, 219104), (656, 211088), (668, 207296), (1264, 109552), (1312, 105544), (1336, 103648), (2528, 54776), (2624, 52772), (2672, 51824), (3239, 42752), (5056, 27388), (5248, 26386), (5344, 25912), (6478, 21376), (6847, 20224), (10112, 13694), (10496, 13193), (10688, 12956)]