87081995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 142442496

約数和(自身を除く): 55360501

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 127, 137, 143, 385, 455, 635, 685, 715, 889, 959, 1001, 1397, 1507, 1651, 1781, 4445, 4795, 5005, 6985, 7535, 8255, 8905, 9779, 10549, 11557, 12467, 17399, 18161, 19591, 48895, 52745, 57785, 62335, 86995, 90805, 97955, 121793, 127127, 137137, 191389, 226187, 608965, 635635, 685685, 956945, 1130935, 1339723, 1583309, 2488057, 6698615, 7916545, 12440285, 17416399, 87081995]

約数ペア:

[(1, 87081995), (5, 17416399), (7, 12440285), (11, 7916545), (13, 6698615), (35, 2488057), (55, 1583309), (65, 1339723), (77, 1130935), (91, 956945), (127, 685685), (137, 635635), (143, 608965), (385, 226187), (455, 191389), (635, 137137), (685, 127127), (715, 121793), (889, 97955), (959, 90805), (1001, 86995), (1397, 62335), (1507, 57785), (1651, 52745), (1781, 48895), (4445, 19591), (4795, 18161), (5005, 17399), (6985, 12467), (7535, 11557), (8255, 10549), (8905, 9779)]