28129038

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 65880144

約数和(自身を除く): 37751106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 241, 294, 397, 482, 723, 794, 1191, 1446, 1687, 2382, 2779, 3374, 5061, 5558, 8337, 10122, 11809, 16674, 19453, 23618, 35427, 38906, 58359, 70854, 95677, 116718, 191354, 287031, 574062, 669739, 1339478, 2009217, 4018434, 4688173, 9376346, 14064519, 28129038]

約数ペア:

[(1, 28129038), (2, 14064519), (3, 9376346), (6, 4688173), (7, 4018434), (14, 2009217), (21, 1339478), (42, 669739), (49, 574062), (98, 287031), (147, 191354), (241, 116718), (294, 95677), (397, 70854), (482, 58359), (723, 38906), (794, 35427), (1191, 23618), (1446, 19453), (1687, 16674), (2382, 11809), (2779, 10122), (3374, 8337), (5061, 5558)]