728423936

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 1502435088

約数和(自身を除く): 774011152

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 83, 122, 128, 166, 244, 256, 281, 332, 488, 512, 562, 664, 976, 1124, 1328, 1952, 2248, 2656, 3904, 4496, 5063, 5312, 7808, 8992, 10126, 10624, 15616, 17141, 17984, 20252, 21248, 23323, 31232, 34282, 35968, 40504, 42496, 46646, 68564, 71936, 81008, 93292, 137128, 143872, 162016, 186584, 274256, 324032, 373168, 548512, 648064, 746336, 1097024, 1296128, 1422703, 1492672, 2194048, 2592256, 2845406, 2985344, 4388096, 5690812, 5970688, 8776192, 11381624, 11941376, 22763248, 45526496, 91052992, 182105984, 364211968, 728423936]

約数ペア:

[(1, 728423936), (2, 364211968), (4, 182105984), (8, 91052992), (16, 45526496), (32, 22763248), (61, 11941376), (64, 11381624), (83, 8776192), (122, 5970688), (128, 5690812), (166, 4388096), (244, 2985344), (256, 2845406), (281, 2592256), (332, 2194048), (488, 1492672), (512, 1422703), (562, 1296128), (664, 1097024), (976, 746336), (1124, 648064), (1328, 548512), (1952, 373168), (2248, 324032), (2656, 274256), (3904, 186584), (4496, 162016), (5063, 143872), (5312, 137128), (7808, 93292), (8992, 81008), (10126, 71936), (10624, 68564), (15616, 46646), (17141, 42496), (17984, 40504), (20252, 35968), (21248, 34282), (23323, 31232)]