28281348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 76003200

約数和(自身を除く): 47721852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 173, 228, 239, 342, 346, 478, 519, 684, 692, 717, 956, 1038, 1434, 1557, 2076, 2151, 2868, 3114, 3287, 4302, 4541, 6228, 6574, 8604, 9082, 9861, 13148, 13623, 18164, 19722, 27246, 29583, 39444, 40869, 41347, 54492, 59166, 81738, 82694, 118332, 124041, 163476, 165388, 248082, 372123, 496164, 744246, 785593, 1488492, 1571186, 2356779, 3142372, 4713558, 7070337, 9427116, 14140674, 28281348]

約数ペア:

[(1, 28281348), (2, 14140674), (3, 9427116), (4, 7070337), (6, 4713558), (9, 3142372), (12, 2356779), (18, 1571186), (19, 1488492), (36, 785593), (38, 744246), (57, 496164), (76, 372123), (114, 248082), (171, 165388), (173, 163476), (228, 124041), (239, 118332), (342, 82694), (346, 81738), (478, 59166), (519, 54492), (684, 41347), (692, 40869), (717, 39444), (956, 29583), (1038, 27246), (1434, 19722), (1557, 18164), (2076, 13623), (2151, 13148), (2868, 9861), (3114, 9082), (3287, 8604), (4302, 6574), (4541, 6228)]