2019964408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61871}}^1$

素因数の和:61948

約数の個数: 64

約数和(自身を含む): 4811166720

約数和(自身を除く): 2791202312

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 616, 742, 1166, 1484, 2332, 2968, 4081, 4664, 8162, 16324, 32648, 61871, 123742, 247484, 433097, 494968, 680581, 866194, 1361162, 1732388, 2722324, 3279163, 3464776, 4764067, 5444648, 6558326, 9528134, 13116652, 19056268, 22954141, 26233304, 36070793, 38112536, 45908282, 72141586, 91816564, 144283172, 183633128, 252495551, 288566344, 504991102, 1009982204, 2019964408]

約数ペア:

[(1, 2019964408), (2, 1009982204), (4, 504991102), (7, 288566344), (8, 252495551), (11, 183633128), (14, 144283172), (22, 91816564), (28, 72141586), (44, 45908282), (53, 38112536), (56, 36070793), (77, 26233304), (88, 22954141), (106, 19056268), (154, 13116652), (212, 9528134), (308, 6558326), (371, 5444648), (424, 4764067), (583, 3464776), (616, 3279163), (742, 2722324), (1166, 1732388), (1484, 1361162), (2332, 866194), (2968, 680581), (4081, 494968), (4664, 433097), (8162, 247484), (16324, 123742), (32648, 61871)]