81266562

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 207567360

約数和(自身を除く): 126300798

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 153, 186, 221, 234, 279, 306, 403, 442, 527, 558, 659, 663, 806, 1054, 1209, 1318, 1326, 1581, 1977, 1989, 2418, 3162, 3627, 3954, 3978, 4743, 5931, 6851, 7254, 8567, 9486, 11203, 11862, 13702, 17134, 20429, 20553, 22406, 25701, 33609, 40858, 41106, 51402, 61287, 61659, 67218, 77103, 100827, 122574, 123318, 145639, 154206, 183861, 201654, 265577, 291278, 347293, 367722, 436917, 531154, 694586, 796731, 873834, 1041879, 1310751, 1593462, 2083758, 2390193, 2621502, 3125637, 4514809, 4780386, 6251274, 9029618, 13544427, 27088854, 40633281, 81266562]

約数ペア:

[(1, 81266562), (2, 40633281), (3, 27088854), (6, 13544427), (9, 9029618), (13, 6251274), (17, 4780386), (18, 4514809), (26, 3125637), (31, 2621502), (34, 2390193), (39, 2083758), (51, 1593462), (62, 1310751), (78, 1041879), (93, 873834), (102, 796731), (117, 694586), (153, 531154), (186, 436917), (221, 367722), (234, 347293), (279, 291278), (306, 265577), (403, 201654), (442, 183861), (527, 154206), (558, 145639), (659, 123318), (663, 122574), (806, 100827), (1054, 77103), (1209, 67218), (1318, 61659), (1326, 61287), (1581, 51402), (1977, 41106), (1989, 40858), (2418, 33609), (3162, 25701), (3627, 22406), (3954, 20553), (3978, 20429), (4743, 17134), (5931, 13702), (6851, 11862), (7254, 11203), (8567, 9486)]