81786488

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 191520000

約数和(自身を除く): 109733512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 79, 98, 133, 139, 152, 158, 196, 266, 278, 316, 392, 532, 553, 556, 632, 931, 973, 1064, 1106, 1112, 1501, 1862, 1946, 2212, 2641, 3002, 3724, 3871, 3892, 4424, 5282, 6004, 6811, 7448, 7742, 7784, 10507, 10564, 10981, 12008, 13622, 15484, 18487, 21014, 21128, 21962, 27244, 30968, 36974, 42028, 43924, 54488, 73549, 73948, 76867, 84056, 87848, 129409, 147098, 147896, 153734, 208639, 258818, 294196, 307468, 417278, 517636, 538069, 588392, 614936, 834556, 1035272, 1076138, 1460473, 1669112, 2152276, 2920946, 4304552, 5841892, 10223311, 11683784, 20446622, 40893244, 81786488]

約数ペア:

[(1, 81786488), (2, 40893244), (4, 20446622), (7, 11683784), (8, 10223311), (14, 5841892), (19, 4304552), (28, 2920946), (38, 2152276), (49, 1669112), (56, 1460473), (76, 1076138), (79, 1035272), (98, 834556), (133, 614936), (139, 588392), (152, 538069), (158, 517636), (196, 417278), (266, 307468), (278, 294196), (316, 258818), (392, 208639), (532, 153734), (553, 147896), (556, 147098), (632, 129409), (931, 87848), (973, 84056), (1064, 76867), (1106, 73948), (1112, 73549), (1501, 54488), (1862, 43924), (1946, 42028), (2212, 36974), (2641, 30968), (3002, 27244), (3724, 21962), (3871, 21128), (3892, 21014), (4424, 18487), (5282, 15484), (6004, 13622), (6811, 12008), (7448, 10981), (7742, 10564), (7784, 10507)]