28671678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 73635840

約数和(自身を除く): 44964162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 101, 126, 189, 202, 303, 378, 606, 707, 751, 909, 1414, 1502, 1818, 2121, 2253, 2727, 4242, 4506, 5257, 5454, 6363, 6759, 10514, 12726, 13518, 15771, 19089, 20277, 31542, 38178, 40554, 47313, 75851, 94626, 141939, 151702, 227553, 283878, 455106, 530957, 682659, 1061914, 1365318, 1592871, 2047977, 3185742, 4095954, 4778613, 9557226, 14335839, 28671678]

約数ペア:

[(1, 28671678), (2, 14335839), (3, 9557226), (6, 4778613), (7, 4095954), (9, 3185742), (14, 2047977), (18, 1592871), (21, 1365318), (27, 1061914), (42, 682659), (54, 530957), (63, 455106), (101, 283878), (126, 227553), (189, 151702), (202, 141939), (303, 94626), (378, 75851), (606, 47313), (707, 40554), (751, 38178), (909, 31542), (1414, 20277), (1502, 19089), (1818, 15771), (2121, 13518), (2253, 12726), (2727, 10514), (4242, 6759), (4506, 6363), (5257, 5454)]