80810996

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 176964480

約数和(自身を除く): 96153484

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 79, 98, 119, 158, 196, 238, 307, 316, 476, 553, 614, 833, 1106, 1228, 1343, 1666, 2149, 2212, 2686, 3332, 3871, 4298, 5219, 5372, 7742, 8596, 9401, 10438, 15043, 15484, 18802, 20876, 24253, 30086, 36533, 37604, 48506, 60172, 65807, 73066, 97012, 131614, 146132, 169771, 255731, 263228, 339542, 412301, 511462, 679084, 824602, 1022924, 1188397, 1649204, 2376794, 2886107, 4753588, 5772214, 11544428, 20202749, 40405498, 80810996]

約数ペア:

[(1, 80810996), (2, 40405498), (4, 20202749), (7, 11544428), (14, 5772214), (17, 4753588), (28, 2886107), (34, 2376794), (49, 1649204), (68, 1188397), (79, 1022924), (98, 824602), (119, 679084), (158, 511462), (196, 412301), (238, 339542), (307, 263228), (316, 255731), (476, 169771), (553, 146132), (614, 131614), (833, 97012), (1106, 73066), (1228, 65807), (1343, 60172), (1666, 48506), (2149, 37604), (2212, 36533), (2686, 30086), (3332, 24253), (3871, 20876), (4298, 18802), (5219, 15484), (5372, 15043), (7742, 10438), (8596, 9401)]