77978164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 153014400

約数和(自身を除く): 75036236

約数列:

[1, 2, 4, 11, 22, 44, 71, 109, 142, 218, 229, 284, 436, 458, 781, 916, 1199, 1562, 2398, 2519, 3124, 4796, 5038, 7739, 10076, 15478, 16259, 24961, 30956, 32518, 49922, 65036, 85129, 99844, 170258, 178849, 274571, 340516, 357698, 549142, 715396, 1098284, 1772231, 3544462, 7088924, 19494541, 38989082, 77978164]

約数ペア:

[(1, 77978164), (2, 38989082), (4, 19494541), (11, 7088924), (22, 3544462), (44, 1772231), (71, 1098284), (109, 715396), (142, 549142), (218, 357698), (229, 340516), (284, 274571), (436, 178849), (458, 170258), (781, 99844), (916, 85129), (1199, 65036), (1562, 49922), (2398, 32518), (2519, 30956), (3124, 24961), (4796, 16259), (5038, 15478), (7739, 10076)]