28339948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 63086688

約数和(自身を除く): 34746740

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 113, 169, 182, 212, 226, 338, 364, 371, 452, 676, 689, 742, 791, 1183, 1378, 1469, 1484, 1582, 2366, 2756, 2938, 3164, 4732, 4823, 5876, 5989, 8957, 9646, 10283, 11978, 17914, 19097, 19292, 20566, 23956, 35828, 38194, 41132, 41923, 62699, 76388, 77857, 83846, 125398, 133679, 155714, 167692, 250796, 267358, 311428, 534716, 544999, 1012141, 1089998, 2024282, 2179996, 4048564, 7084987, 14169974, 28339948]

約数ペア:

[(1, 28339948), (2, 14169974), (4, 7084987), (7, 4048564), (13, 2179996), (14, 2024282), (26, 1089998), (28, 1012141), (52, 544999), (53, 534716), (91, 311428), (106, 267358), (113, 250796), (169, 167692), (182, 155714), (212, 133679), (226, 125398), (338, 83846), (364, 77857), (371, 76388), (452, 62699), (676, 41923), (689, 41132), (742, 38194), (791, 35828), (1183, 23956), (1378, 20566), (1469, 19292), (1484, 19097), (1582, 17914), (2366, 11978), (2756, 10283), (2938, 9646), (3164, 8957), (4732, 5989), (4823, 5876)]