256885.0000000

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 18818240

約数和(自身を除く): 11294012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 541, 732, 1082, 1159, 1623, 2164, 2318, 3246, 3477, 4636, 6492, 6954, 10279, 13908, 20558, 30837, 33001, 41116, 61674, 66002, 99003, 123348, 132004, 198006, 396012, 627019, 1254038, 1881057, 2508076, 3762114, 7524228]

約数ペア:

[(1, 7524228), (2, 3762114), (3, 2508076), (4, 1881057), (6, 1254038), (12, 627019), (19, 396012), (38, 198006), (57, 132004), (61, 123348), (76, 99003), (114, 66002), (122, 61674), (183, 41116), (228, 33001), (244, 30837), (366, 20558), (541, 13908), (732, 10279), (1082, 6954), (1159, 6492), (1623, 4636), (2164, 3477), (2318, 3246)]