28726776

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 85700160

約数和(自身を除く): 56973384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 47, 52, 72, 78, 94, 104, 117, 141, 156, 188, 234, 282, 312, 376, 423, 468, 564, 611, 653, 846, 936, 1128, 1222, 1306, 1692, 1833, 1959, 2444, 2612, 3384, 3666, 3918, 4888, 5224, 5499, 5877, 7332, 7836, 8489, 10998, 11754, 14664, 15672, 16978, 21996, 23508, 25467, 30691, 33956, 43992, 47016, 50934, 61382, 67912, 76401, 92073, 101868, 122764, 152802, 184146, 203736, 245528, 276219, 305604, 368292, 398983, 552438, 611208, 736584, 797966, 1104876, 1196949, 1595932, 2209752, 2393898, 3191864, 3590847, 4787796, 7181694, 9575592, 14363388, 28726776]

約数ペア:

[(1, 28726776), (2, 14363388), (3, 9575592), (4, 7181694), (6, 4787796), (8, 3590847), (9, 3191864), (12, 2393898), (13, 2209752), (18, 1595932), (24, 1196949), (26, 1104876), (36, 797966), (39, 736584), (47, 611208), (52, 552438), (72, 398983), (78, 368292), (94, 305604), (104, 276219), (117, 245528), (141, 203736), (156, 184146), (188, 152802), (234, 122764), (282, 101868), (312, 92073), (376, 76401), (423, 67912), (468, 61382), (564, 50934), (611, 47016), (653, 43992), (846, 33956), (936, 30691), (1128, 25467), (1222, 23508), (1306, 21996), (1692, 16978), (1833, 15672), (1959, 14664), (2444, 11754), (2612, 10998), (3384, 8489), (3666, 7836), (3918, 7332), (4888, 5877), (5224, 5499)]