28391154

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 37549326

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 59, 66, 69, 118, 138, 177, 253, 317, 354, 506, 634, 649, 759, 951, 1298, 1357, 1518, 1902, 1947, 2714, 3487, 3894, 4071, 6974, 7291, 8142, 10461, 14582, 14927, 18703, 20922, 21873, 29854, 37406, 43746, 44781, 56109, 80201, 89562, 112218, 160402, 205733, 240603, 411466, 430169, 481206, 617199, 860338, 1234398, 1290507, 2581014, 4731859, 9463718, 14195577, 28391154]

約数ペア:

[(1, 28391154), (2, 14195577), (3, 9463718), (6, 4731859), (11, 2581014), (22, 1290507), (23, 1234398), (33, 860338), (46, 617199), (59, 481206), (66, 430169), (69, 411466), (118, 240603), (138, 205733), (177, 160402), (253, 112218), (317, 89562), (354, 80201), (506, 56109), (634, 44781), (649, 43746), (759, 37406), (951, 29854), (1298, 21873), (1357, 20922), (1518, 18703), (1902, 14927), (1947, 14582), (2714, 10461), (3487, 8142), (3894, 7291), (4071, 6974)]