81953336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 165888000

約数和(自身を除く): 83934664

約数列:

[1, 2, 4, 8, 31, 47, 62, 79, 89, 94, 124, 158, 178, 188, 248, 316, 356, 376, 632, 712, 1457, 2449, 2759, 2914, 3713, 4183, 4898, 5518, 5828, 7031, 7426, 8366, 9796, 11036, 11656, 14062, 14852, 16732, 19592, 22072, 28124, 29704, 33464, 56248, 115103, 129673, 217961, 230206, 259346, 330457, 435922, 460412, 518692, 660914, 871844, 920824, 1037384, 1321828, 1743688, 2643656, 10244167, 20488334, 40976668, 81953336]

約数ペア:

[(1, 81953336), (2, 40976668), (4, 20488334), (8, 10244167), (31, 2643656), (47, 1743688), (62, 1321828), (79, 1037384), (89, 920824), (94, 871844), (124, 660914), (158, 518692), (178, 460412), (188, 435922), (248, 330457), (316, 259346), (356, 230206), (376, 217961), (632, 129673), (712, 115103), (1457, 56248), (2449, 33464), (2759, 29704), (2914, 28124), (3713, 22072), (4183, 19592), (4898, 16732), (5518, 14852), (5828, 14062), (7031, 11656), (7426, 11036), (8366, 9796)]