81900016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 189416448

約数和(自身を除く): 107516432

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 248, 272, 341, 374, 496, 527, 682, 748, 883, 1054, 1364, 1496, 1766, 2108, 2728, 2992, 3532, 4216, 5456, 5797, 7064, 8432, 9713, 11594, 14128, 15011, 19426, 23188, 27373, 30022, 38852, 46376, 54746, 60044, 77704, 92752, 109492, 120088, 155408, 165121, 218984, 240176, 301103, 330242, 437968, 465341, 602206, 660484, 930682, 1204412, 1320968, 1861364, 2408824, 2641936, 3722728, 4817648, 5118751, 7445456, 10237502, 20475004, 40950008, 81900016]

約数ペア:

[(1, 81900016), (2, 40950008), (4, 20475004), (8, 10237502), (11, 7445456), (16, 5118751), (17, 4817648), (22, 3722728), (31, 2641936), (34, 2408824), (44, 1861364), (62, 1320968), (68, 1204412), (88, 930682), (124, 660484), (136, 602206), (176, 465341), (187, 437968), (248, 330242), (272, 301103), (341, 240176), (374, 218984), (496, 165121), (527, 155408), (682, 120088), (748, 109492), (883, 92752), (1054, 77704), (1364, 60044), (1496, 54746), (1766, 46376), (2108, 38852), (2728, 30022), (2992, 27373), (3532, 23188), (4216, 19426), (5456, 15011), (5797, 14128), (7064, 11594), (8432, 9713)]