1423872008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{9871}}^1$

素因数の和:9982

約数の個数: 64

約数和(自身を含む): 3068217600

約数和(自身を除く): 1644345592

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 73, 76, 104, 146, 152, 247, 292, 494, 584, 949, 988, 1387, 1898, 1976, 2774, 3796, 5548, 7592, 9871, 11096, 18031, 19742, 36062, 39484, 72124, 78968, 128323, 144248, 187549, 256646, 375098, 513292, 720583, 750196, 1026584, 1441166, 1500392, 2438137, 2882332, 4876274, 5764664, 9367579, 9752548, 13691077, 18735158, 19505096, 27382154, 37470316, 54764308, 74940632, 109528616, 177984001, 355968002, 711936004, 1423872008]

約数ペア:

[(1, 1423872008), (2, 711936004), (4, 355968002), (8, 177984001), (13, 109528616), (19, 74940632), (26, 54764308), (38, 37470316), (52, 27382154), (73, 19505096), (76, 18735158), (104, 13691077), (146, 9752548), (152, 9367579), (247, 5764664), (292, 4876274), (494, 2882332), (584, 2438137), (949, 1500392), (988, 1441166), (1387, 1026584), (1898, 750196), (1976, 720583), (2774, 513292), (3796, 375098), (5548, 256646), (7592, 187549), (9871, 144248), (11096, 128323), (18031, 78968), (19742, 72124), (36062, 39484)]