78539890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5035

約数の個数: 48

約数和(自身を含む): 167378904

約数和(自身を除く): 88839014

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 4993, 7865, 9986, 15730, 24965, 49930, 54923, 64909, 109846, 129818, 274615, 324545, 549230, 604153, 649090, 713999, 1208306, 1427998, 3020765, 3569995, 6041530, 7139990, 7853989, 15707978, 39269945, 78539890]

約数ペア:

[(1, 78539890), (2, 39269945), (5, 15707978), (10, 7853989), (11, 7139990), (13, 6041530), (22, 3569995), (26, 3020765), (55, 1427998), (65, 1208306), (110, 713999), (121, 649090), (130, 604153), (143, 549230), (242, 324545), (286, 274615), (605, 129818), (715, 109846), (1210, 64909), (1430, 54923), (1573, 49930), (3146, 24965), (4993, 15730), (7865, 9986)]