205082504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 444744000

約数和(自身を除く): 239661496

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 173, 209, 346, 418, 692, 709, 836, 1384, 1418, 1672, 1903, 2836, 3287, 3806, 5672, 6574, 7612, 7799, 13148, 13471, 15224, 15598, 26296, 26942, 31196, 36157, 53884, 62392, 72314, 107768, 122657, 144628, 148181, 245314, 289256, 296362, 490628, 592724, 981256, 1185448, 1349227, 2330483, 2698454, 4660966, 5396908, 9321932, 10793816, 18643864, 25635313, 51270626, 102541252, 205082504]

約数ペア:

[(1, 205082504), (2, 102541252), (4, 51270626), (8, 25635313), (11, 18643864), (19, 10793816), (22, 9321932), (38, 5396908), (44, 4660966), (76, 2698454), (88, 2330483), (152, 1349227), (173, 1185448), (209, 981256), (346, 592724), (418, 490628), (692, 296362), (709, 289256), (836, 245314), (1384, 148181), (1418, 144628), (1672, 122657), (1903, 107768), (2836, 72314), (3287, 62392), (3806, 53884), (5672, 36157), (6574, 31196), (7612, 26942), (7799, 26296), (13148, 15598), (13471, 15224)]