205217984

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1225

約数の個数: 56

約数和(自身を含む): 423915840

約数和(自身を除く): 218697856

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 79, 148, 158, 296, 316, 592, 632, 1097, 1184, 1264, 2194, 2368, 2528, 2923, 4388, 5056, 5846, 8776, 11692, 17552, 23384, 35104, 40589, 46768, 70208, 81178, 86663, 93536, 162356, 173326, 187072, 324712, 346652, 649424, 693304, 1298848, 1386608, 2597696, 2773216, 3206531, 5546432, 6413062, 12826124, 25652248, 51304496, 102608992, 205217984]

約数ペア:

[(1, 205217984), (2, 102608992), (4, 51304496), (8, 25652248), (16, 12826124), (32, 6413062), (37, 5546432), (64, 3206531), (74, 2773216), (79, 2597696), (148, 1386608), (158, 1298848), (296, 693304), (316, 649424), (592, 346652), (632, 324712), (1097, 187072), (1184, 173326), (1264, 162356), (2194, 93536), (2368, 86663), (2528, 81178), (2923, 70208), (4388, 46768), (5056, 40589), (5846, 35104), (8776, 23384), (11692, 17552)]