28020352

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 60220800

約数和(自身を除く): 32200448

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 163, 272, 316, 326, 544, 632, 652, 1088, 1264, 1304, 1343, 2176, 2528, 2608, 2686, 2771, 5056, 5216, 5372, 5542, 10112, 10432, 10744, 11084, 12877, 20864, 21488, 22168, 25754, 42976, 44336, 51508, 85952, 88672, 103016, 171904, 177344, 206032, 218909, 354688, 412064, 437818, 824128, 875636, 1648256, 1751272, 3502544, 7005088, 14010176, 28020352]

約数ペア:

[(1, 28020352), (2, 14010176), (4, 7005088), (8, 3502544), (16, 1751272), (17, 1648256), (32, 875636), (34, 824128), (64, 437818), (68, 412064), (79, 354688), (128, 218909), (136, 206032), (158, 177344), (163, 171904), (272, 103016), (316, 88672), (326, 85952), (544, 51508), (632, 44336), (652, 42976), (1088, 25754), (1264, 22168), (1304, 21488), (1343, 20864), (2176, 12877), (2528, 11084), (2608, 10744), (2686, 10432), (2771, 10112), (5056, 5542), (5216, 5372)]