638864094

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{757}}^1$

素因数の和:1465

約数の個数: 64

約数和(自身を含む): 1471368960

約数和(自身を除く): 832504866

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 673, 757, 1254, 1346, 1514, 2019, 2271, 4038, 4542, 7403, 8327, 12787, 14383, 14806, 16654, 22209, 24981, 25574, 28766, 38361, 43149, 44418, 49962, 76722, 86298, 140657, 158213, 281314, 316426, 421971, 474639, 509461, 843942, 949278, 1018922, 1528383, 3056766, 5604071, 9679759, 11208142, 16812213, 19359518, 29039277, 33624426, 58078554, 106477349, 212954698, 319432047, 638864094]

約数ペア:

[(1, 638864094), (2, 319432047), (3, 212954698), (6, 106477349), (11, 58078554), (19, 33624426), (22, 29039277), (33, 19359518), (38, 16812213), (57, 11208142), (66, 9679759), (114, 5604071), (209, 3056766), (418, 1528383), (627, 1018922), (673, 949278), (757, 843942), (1254, 509461), (1346, 474639), (1514, 421971), (2019, 316426), (2271, 281314), (4038, 158213), (4542, 140657), (7403, 86298), (8327, 76722), (12787, 49962), (14383, 44418), (14806, 43149), (16654, 38361), (22209, 28766), (24981, 25574)]