22880728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 26148392

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 151, 188, 248, 302, 376, 403, 604, 611, 806, 1208, 1222, 1457, 1612, 1963, 2444, 2914, 3224, 3926, 4681, 4888, 5828, 7097, 7852, 9362, 11656, 14194, 15704, 18724, 18941, 28388, 37448, 37882, 56776, 60853, 75764, 92261, 121706, 151528, 184522, 220007, 243412, 369044, 440014, 486824, 738088, 880028, 1760056, 2860091, 5720182, 11440364, 22880728]

約数ペア:

[(1, 22880728), (2, 11440364), (4, 5720182), (8, 2860091), (13, 1760056), (26, 880028), (31, 738088), (47, 486824), (52, 440014), (62, 369044), (94, 243412), (104, 220007), (124, 184522), (151, 151528), (188, 121706), (248, 92261), (302, 75764), (376, 60853), (403, 56776), (604, 37882), (611, 37448), (806, 28388), (1208, 18941), (1222, 18724), (1457, 15704), (1612, 14194), (1963, 11656), (2444, 9362), (2914, 7852), (3224, 7097), (3926, 5828), (4681, 4888)]