28265454

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 72380880

約数和(自身を除く): 44115426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 438, 439, 441, 511, 657, 878, 882, 1022, 1314, 1317, 1533, 2634, 3066, 3073, 3577, 3951, 4599, 6146, 7154, 7902, 9198, 9219, 10731, 18438, 21462, 21511, 27657, 32047, 32193, 43022, 55314, 64094, 64386, 64533, 96141, 129066, 192282, 193599, 224329, 288423, 387198, 448658, 576846, 672987, 1345974, 1570303, 2018961, 3140606, 4037922, 4710909, 9421818, 14132727, 28265454]

約数ペア:

[(1, 28265454), (2, 14132727), (3, 9421818), (6, 4710909), (7, 4037922), (9, 3140606), (14, 2018961), (18, 1570303), (21, 1345974), (42, 672987), (49, 576846), (63, 448658), (73, 387198), (98, 288423), (126, 224329), (146, 193599), (147, 192282), (219, 129066), (294, 96141), (438, 64533), (439, 64386), (441, 64094), (511, 55314), (657, 43022), (878, 32193), (882, 32047), (1022, 27657), (1314, 21511), (1317, 21462), (1533, 18438), (2634, 10731), (3066, 9219), (3073, 9198), (3577, 7902), (3951, 7154), (4599, 6146)]