172313128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 395136000

約数和(自身を除く): 222822872

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 31, 38, 52, 58, 62, 76, 97, 104, 116, 124, 152, 194, 232, 247, 248, 377, 388, 403, 494, 551, 589, 754, 776, 806, 899, 988, 1102, 1178, 1261, 1508, 1612, 1798, 1843, 1976, 2204, 2356, 2522, 2813, 3007, 3016, 3224, 3596, 3686, 4408, 4712, 5044, 5626, 6014, 7163, 7192, 7372, 7657, 10088, 11252, 11687, 12028, 14326, 14744, 15314, 17081, 22504, 23374, 23959, 24056, 28652, 30628, 34162, 36569, 39091, 46748, 47918, 53447, 57133, 57304, 61256, 68324, 73138, 78182, 87203, 93496, 95836, 106894, 114266, 136648, 146276, 156364, 174406, 191672, 213788, 222053, 228532, 292552, 312728, 348812, 427576, 444106, 457064, 694811, 697624, 742729, 888212, 1133639, 1389622, 1485458, 1656857, 1776424, 2267278, 2779244, 2970916, 3313714, 4534556, 5558488, 5941832, 6627428, 9069112, 13254856, 21539141, 43078282, 86156564, 172313128]

約数ペア:

[(1, 172313128), (2, 86156564), (4, 43078282), (8, 21539141), (13, 13254856), (19, 9069112), (26, 6627428), (29, 5941832), (31, 5558488), (38, 4534556), (52, 3313714), (58, 2970916), (62, 2779244), (76, 2267278), (97, 1776424), (104, 1656857), (116, 1485458), (124, 1389622), (152, 1133639), (194, 888212), (232, 742729), (247, 697624), (248, 694811), (377, 457064), (388, 444106), (403, 427576), (494, 348812), (551, 312728), (589, 292552), (754, 228532), (776, 222053), (806, 213788), (899, 191672), (988, 174406), (1102, 156364), (1178, 146276), (1261, 136648), (1508, 114266), (1612, 106894), (1798, 95836), (1843, 93496), (1976, 87203), (2204, 78182), (2356, 73138), (2522, 68324), (2813, 61256), (3007, 57304), (3016, 57133), (3224, 53447), (3596, 47918), (3686, 46748), (4408, 39091), (4712, 36569), (5044, 34162), (5626, 30628), (6014, 28652), (7163, 24056), (7192, 23959), (7372, 23374), (7657, 22504), (10088, 17081), (11252, 15314), (11687, 14744), (12028, 14326)]