28276332

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 80821440

約数和(自身を除く): 52545108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2531, 2793, 3724, 5062, 5586, 7593, 10124, 11172, 15186, 17717, 30372, 35434, 48089, 53151, 70868, 96178, 106302, 124019, 144267, 192356, 212604, 248038, 288534, 336623, 372057, 496076, 577068, 673246, 744114, 1009869, 1346492, 1488228, 2019738, 2356361, 4039476, 4712722, 7069083, 9425444, 14138166, 28276332]

約数ペア:

[(1, 28276332), (2, 14138166), (3, 9425444), (4, 7069083), (6, 4712722), (7, 4039476), (12, 2356361), (14, 2019738), (19, 1488228), (21, 1346492), (28, 1009869), (38, 744114), (42, 673246), (49, 577068), (57, 496076), (76, 372057), (84, 336623), (98, 288534), (114, 248038), (133, 212604), (147, 192356), (196, 144267), (228, 124019), (266, 106302), (294, 96178), (399, 70868), (532, 53151), (588, 48089), (798, 35434), (931, 30372), (1596, 17717), (1862, 15186), (2531, 11172), (2793, 10124), (3724, 7593), (5062, 5586)]