16698890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 33480216

約数和(自身を除く): 16781326

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 241, 338, 410, 482, 533, 845, 1066, 1205, 1690, 2410, 2665, 3133, 5330, 6266, 6929, 9881, 13858, 15665, 19762, 31330, 34645, 40729, 49405, 69290, 81458, 98810, 128453, 203645, 256906, 407290, 642265, 1284530, 1669889, 3339778, 8349445, 16698890]

約数ペア:

[(1, 16698890), (2, 8349445), (5, 3339778), (10, 1669889), (13, 1284530), (26, 642265), (41, 407290), (65, 256906), (82, 203645), (130, 128453), (169, 98810), (205, 81458), (241, 69290), (338, 49405), (410, 40729), (482, 34645), (533, 31330), (845, 19762), (1066, 15665), (1205, 13858), (1690, 9881), (2410, 6929), (2665, 6266), (3133, 5330)]