1999816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 4798080

約数和(自身を除く): 2798264

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 67, 82, 91, 104, 134, 164, 182, 268, 287, 328, 364, 469, 533, 536, 574, 728, 871, 938, 1066, 1148, 1742, 1876, 2132, 2296, 2747, 3484, 3731, 3752, 4264, 5494, 6097, 6968, 7462, 10988, 12194, 14924, 19229, 21976, 24388, 29848, 35711, 38458, 48776, 71422, 76916, 142844, 153832, 249977, 285688, 499954, 999908, 1999816]

約数ペア:

[(1, 1999816), (2, 999908), (4, 499954), (7, 285688), (8, 249977), (13, 153832), (14, 142844), (26, 76916), (28, 71422), (41, 48776), (52, 38458), (56, 35711), (67, 29848), (82, 24388), (91, 21976), (104, 19229), (134, 14924), (164, 12194), (182, 10988), (268, 7462), (287, 6968), (328, 6097), (364, 5494), (469, 4264), (533, 3752), (536, 3731), (574, 3484), (728, 2747), (871, 2296), (938, 2132), (1066, 1876), (1148, 1742)]