81673236

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1181}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 220717224

約数和(自身を除く): 139043988

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 113, 153, 204, 226, 306, 339, 452, 612, 678, 1017, 1181, 1356, 1921, 2034, 2362, 3543, 3842, 4068, 4724, 5763, 7086, 7684, 10629, 11526, 14172, 17289, 20077, 21258, 23052, 34578, 40154, 42516, 60231, 69156, 80308, 120462, 133453, 180693, 240924, 266906, 361386, 400359, 533812, 722772, 800718, 1201077, 1601436, 2268701, 2402154, 4537402, 4804308, 6806103, 9074804, 13612206, 20418309, 27224412, 40836618, 81673236]

約数ペア:

[(1, 81673236), (2, 40836618), (3, 27224412), (4, 20418309), (6, 13612206), (9, 9074804), (12, 6806103), (17, 4804308), (18, 4537402), (34, 2402154), (36, 2268701), (51, 1601436), (68, 1201077), (102, 800718), (113, 722772), (153, 533812), (204, 400359), (226, 361386), (306, 266906), (339, 240924), (452, 180693), (612, 133453), (678, 120462), (1017, 80308), (1181, 69156), (1356, 60231), (1921, 42516), (2034, 40154), (2362, 34578), (3543, 23052), (3842, 21258), (4068, 20077), (4724, 17289), (5763, 14172), (7086, 11526), (7684, 10629)]