1213443664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{128761}}^1$

素因数の和:128819

約数の個数: 40

約数和(自身を含む): 2554638080

約数和(自身を除く): 1341194416

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 128761, 257522, 515044, 1030088, 2060176, 2446459, 3991591, 4892918, 7983182, 9785836, 15966364, 19571672, 31932728, 39143344, 63865456, 75840229, 151680458, 303360916, 606721832, 1213443664]

約数ペア:

[(1, 1213443664), (2, 606721832), (4, 303360916), (8, 151680458), (16, 75840229), (19, 63865456), (31, 39143344), (38, 31932728), (62, 19571672), (76, 15966364), (124, 9785836), (152, 7983182), (248, 4892918), (304, 3991591), (496, 2446459), (589, 2060176), (1178, 1030088), (2356, 515044), (4712, 257522), (9424, 128761)]