33321990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 88171776

約数和(自身を除く): 54849786

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1987, 2795, 3354, 3974, 5590, 5961, 8385, 9935, 11922, 16770, 19870, 25831, 29805, 51662, 59610, 77493, 85441, 129155, 154986, 170882, 256323, 258310, 387465, 427205, 512646, 774930, 854410, 1110733, 1281615, 2221466, 2563230, 3332199, 5553665, 6664398, 11107330, 16660995, 33321990]

約数ペア:

[(1, 33321990), (2, 16660995), (3, 11107330), (5, 6664398), (6, 5553665), (10, 3332199), (13, 2563230), (15, 2221466), (26, 1281615), (30, 1110733), (39, 854410), (43, 774930), (65, 512646), (78, 427205), (86, 387465), (129, 258310), (130, 256323), (195, 170882), (215, 154986), (258, 129155), (390, 85441), (430, 77493), (559, 59610), (645, 51662), (1118, 29805), (1290, 25831), (1677, 19870), (1987, 16770), (2795, 11922), (3354, 9935), (3974, 8385), (5590, 5961)]