72513805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 113799168

約数和(自身を除く): 41285363

約数列:

[1, 5, 7, 13, 31, 35, 53, 65, 91, 97, 155, 217, 265, 371, 403, 455, 485, 679, 689, 1085, 1261, 1643, 1855, 2015, 2821, 3007, 3395, 3445, 4823, 5141, 6305, 8215, 8827, 11501, 14105, 15035, 21049, 21359, 24115, 25705, 35987, 39091, 44135, 57505, 66833, 105245, 106795, 149513, 159371, 179935, 195455, 273637, 334165, 467831, 747565, 796855, 1115597, 1368185, 2071823, 2339155, 5577985, 10359115, 14502761, 72513805]

約数ペア:

[(1, 72513805), (5, 14502761), (7, 10359115), (13, 5577985), (31, 2339155), (35, 2071823), (53, 1368185), (65, 1115597), (91, 796855), (97, 747565), (155, 467831), (217, 334165), (265, 273637), (371, 195455), (403, 179935), (455, 159371), (485, 149513), (679, 106795), (689, 105245), (1085, 66833), (1261, 57505), (1643, 44135), (1855, 39091), (2015, 35987), (2821, 25705), (3007, 24115), (3395, 21359), (3445, 21049), (4823, 15035), (5141, 14105), (6305, 11501), (8215, 8827)]