1781495404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:803

約数の個数: 96

約数和(自身を含む): 3699460800

約数和(自身を除く): 1917965396

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 97, 116, 194, 247, 377, 388, 494, 551, 641, 754, 988, 1102, 1261, 1282, 1508, 1843, 2204, 2522, 2564, 2813, 3686, 5044, 5626, 7163, 7372, 8333, 11252, 12179, 14326, 16666, 18589, 23959, 24358, 28652, 33332, 36569, 37178, 47918, 48716, 53447, 62177, 73138, 74356, 95836, 106894, 124354, 146276, 158327, 213788, 241657, 248708, 316654, 353191, 483314, 633308, 694811, 706382, 808301, 966628, 1181363, 1389622, 1412764, 1616602, 1803133, 2362726, 2779244, 3233204, 3606266, 4591483, 4725452, 7212532, 9182966, 15357719, 18365932, 23440729, 30715438, 34259527, 46881458, 61430876, 68519054, 93762916, 137038108, 445373851, 890747702, 1781495404]

約数ペア:

[(1, 1781495404), (2, 890747702), (4, 445373851), (13, 137038108), (19, 93762916), (26, 68519054), (29, 61430876), (38, 46881458), (52, 34259527), (58, 30715438), (76, 23440729), (97, 18365932), (116, 15357719), (194, 9182966), (247, 7212532), (377, 4725452), (388, 4591483), (494, 3606266), (551, 3233204), (641, 2779244), (754, 2362726), (988, 1803133), (1102, 1616602), (1261, 1412764), (1282, 1389622), (1508, 1181363), (1843, 966628), (2204, 808301), (2522, 706382), (2564, 694811), (2813, 633308), (3686, 483314), (5044, 353191), (5626, 316654), (7163, 248708), (7372, 241657), (8333, 213788), (11252, 158327), (12179, 146276), (14326, 124354), (16666, 106894), (18589, 95836), (23959, 74356), (24358, 73138), (28652, 62177), (33332, 53447), (36569, 48716), (37178, 47918)]