81202506

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 219801600

約数和(自身を除く): 138599094

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 49, 51, 66, 77, 98, 102, 119, 147, 154, 187, 211, 231, 238, 294, 343, 357, 374, 422, 462, 539, 561, 633, 686, 714, 833, 1029, 1078, 1122, 1266, 1309, 1477, 1617, 1666, 2058, 2321, 2499, 2618, 2954, 3234, 3587, 3773, 3927, 4431, 4642, 4998, 5831, 6963, 7174, 7546, 7854, 8862, 9163, 10339, 10761, 11319, 11662, 13926, 16247, 17493, 18326, 20678, 21522, 22638, 25109, 27489, 31017, 32494, 34986, 39457, 48741, 50218, 54978, 62034, 64141, 72373, 75327, 78914, 97482, 113729, 118371, 128282, 144746, 150654, 175763, 192423, 217119, 227458, 236742, 276199, 341187, 351526, 384846, 434238, 527289, 552398, 682374, 796103, 828597, 1054578, 1230341, 1592206, 1657194, 1933393, 2388309, 2460682, 3691023, 3866786, 4776618, 5800179, 7382046, 11600358, 13533751, 27067502, 40601253, 81202506]

約数ペア:

[(1, 81202506), (2, 40601253), (3, 27067502), (6, 13533751), (7, 11600358), (11, 7382046), (14, 5800179), (17, 4776618), (21, 3866786), (22, 3691023), (33, 2460682), (34, 2388309), (42, 1933393), (49, 1657194), (51, 1592206), (66, 1230341), (77, 1054578), (98, 828597), (102, 796103), (119, 682374), (147, 552398), (154, 527289), (187, 434238), (211, 384846), (231, 351526), (238, 341187), (294, 276199), (343, 236742), (357, 227458), (374, 217119), (422, 192423), (462, 175763), (539, 150654), (561, 144746), (633, 128282), (686, 118371), (714, 113729), (833, 97482), (1029, 78914), (1078, 75327), (1122, 72373), (1266, 64141), (1309, 62034), (1477, 54978), (1617, 50218), (1666, 48741), (2058, 39457), (2321, 34986), (2499, 32494), (2618, 31017), (2954, 27489), (3234, 25109), (3587, 22638), (3773, 21522), (3927, 20678), (4431, 18326), (4642, 17493), (4998, 16247), (5831, 13926), (6963, 11662), (7174, 11319), (7546, 10761), (7854, 10339), (8862, 9163)]