1555142988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61507}}^1$

素因数の和:61571

約数の個数: 72

約数和(自身を含む): 4319337792

約数和(自身を除く): 2764194804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8428, 12642, 25284, 61507, 123014, 184521, 246028, 369042, 430549, 738084, 861098, 1291647, 1722196, 2583294, 2644801, 3013843, 5166588, 5289602, 6027686, 7934403, 9041529, 10579204, 12055372, 15868806, 18083058, 18513607, 31737612, 36166116, 37027214, 55540821, 74054428, 111081642, 129595249, 222163284, 259190498, 388785747, 518380996, 777571494, 1555142988]

約数ペア:

[(1, 1555142988), (2, 777571494), (3, 518380996), (4, 388785747), (6, 259190498), (7, 222163284), (12, 129595249), (14, 111081642), (21, 74054428), (28, 55540821), (42, 37027214), (43, 36166116), (49, 31737612), (84, 18513607), (86, 18083058), (98, 15868806), (129, 12055372), (147, 10579204), (172, 9041529), (196, 7934403), (258, 6027686), (294, 5289602), (301, 5166588), (516, 3013843), (588, 2644801), (602, 2583294), (903, 1722196), (1204, 1291647), (1806, 861098), (2107, 738084), (3612, 430549), (4214, 369042), (6321, 246028), (8428, 184521), (12642, 123014), (25284, 61507)]