643144832

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 1523880000

約数和(自身を除く): 880735168

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 58, 64, 76, 88, 116, 128, 152, 176, 209, 232, 304, 319, 352, 418, 464, 551, 608, 638, 704, 829, 836, 928, 1102, 1216, 1276, 1408, 1658, 1672, 1856, 2204, 2432, 2552, 3316, 3344, 3712, 4408, 5104, 6061, 6632, 6688, 8816, 9119, 10208, 12122, 13264, 13376, 15751, 17632, 18238, 20416, 24041, 24244, 26528, 26752, 31502, 35264, 36476, 40832, 48082, 48488, 53056, 63004, 70528, 72952, 96164, 96976, 106112, 126008, 145904, 173261, 192328, 193952, 252016, 264451, 291808, 346522, 384656, 387904, 456779, 504032, 528902, 583616, 693044, 769312, 775808, 913558, 1008064, 1057804, 1167232, 1386088, 1538624, 1827116, 2016128, 2115608, 2772176, 3077248, 3654232, 4231216, 5024569, 5544352, 7308464, 8462432, 10049138, 11088704, 14616928, 16924864, 20098276, 22177408, 29233856, 33849728, 40196552, 58467712, 80393104, 160786208, 321572416, 643144832]

約数ペア:

[(1, 643144832), (2, 321572416), (4, 160786208), (8, 80393104), (11, 58467712), (16, 40196552), (19, 33849728), (22, 29233856), (29, 22177408), (32, 20098276), (38, 16924864), (44, 14616928), (58, 11088704), (64, 10049138), (76, 8462432), (88, 7308464), (116, 5544352), (128, 5024569), (152, 4231216), (176, 3654232), (209, 3077248), (232, 2772176), (304, 2115608), (319, 2016128), (352, 1827116), (418, 1538624), (464, 1386088), (551, 1167232), (608, 1057804), (638, 1008064), (704, 913558), (829, 775808), (836, 769312), (928, 693044), (1102, 583616), (1216, 528902), (1276, 504032), (1408, 456779), (1658, 387904), (1672, 384656), (1856, 346522), (2204, 291808), (2432, 264451), (2552, 252016), (3316, 193952), (3344, 192328), (3712, 173261), (4408, 145904), (5104, 126008), (6061, 106112), (6632, 96976), (6688, 96164), (8816, 72952), (9119, 70528), (10208, 63004), (12122, 53056), (13264, 48488), (13376, 48082), (15751, 40832), (17632, 36476), (18238, 35264), (20416, 31502), (24041, 26752), (24244, 26528)]