1948654619392

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18888169}}^1$

素因数の和:18888229

約数の個数: 72

約数和(自身を含む): 4324030981760

約数和(自身を除く): 2375376362368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12896, 25792, 51584, 103168, 18888169, 37776338, 75552676, 151105352, 245546197, 302210704, 491092394, 585533239, 604421408, 982184788, 1171066478, 1208842816, 1964369576, 2342132956, 2417685632, 3928739152, 4684265912, 4835371264, 7611932107, 7857478304, 9368531824, 15223864214, 15714956608, 18737063648, 30447728428, 31429913216, 37474127296, 60895456856, 62859826432, 74948254592, 121790913712, 149896509184, 243581827424, 487163654848, 974327309696, 1948654619392]

約数ペア:

[(1, 1948654619392), (2, 974327309696), (4, 487163654848), (8, 243581827424), (13, 149896509184), (16, 121790913712), (26, 74948254592), (31, 62859826432), (32, 60895456856), (52, 37474127296), (62, 31429913216), (64, 30447728428), (104, 18737063648), (124, 15714956608), (128, 15223864214), (208, 9368531824), (248, 7857478304), (256, 7611932107), (403, 4835371264), (416, 4684265912), (496, 3928739152), (806, 2417685632), (832, 2342132956), (992, 1964369576), (1612, 1208842816), (1664, 1171066478), (1984, 982184788), (3224, 604421408), (3328, 585533239), (3968, 491092394), (6448, 302210704), (7936, 245546197), (12896, 151105352), (25792, 75552676), (51584, 37776338), (103168, 18888169)]