27984492

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 75216960

約数和(自身を除く): 47232468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 163, 171, 228, 251, 326, 342, 489, 502, 652, 684, 753, 978, 1004, 1467, 1506, 1956, 2259, 2934, 3012, 3097, 4518, 4769, 5868, 6194, 9036, 9291, 9538, 12388, 14307, 18582, 19076, 27873, 28614, 37164, 40913, 42921, 55746, 57228, 81826, 85842, 111492, 122739, 163652, 171684, 245478, 368217, 490956, 736434, 777347, 1472868, 1554694, 2332041, 3109388, 4664082, 6996123, 9328164, 13992246, 27984492]

約数ペア:

[(1, 27984492), (2, 13992246), (3, 9328164), (4, 6996123), (6, 4664082), (9, 3109388), (12, 2332041), (18, 1554694), (19, 1472868), (36, 777347), (38, 736434), (57, 490956), (76, 368217), (114, 245478), (163, 171684), (171, 163652), (228, 122739), (251, 111492), (326, 85842), (342, 81826), (489, 57228), (502, 55746), (652, 42921), (684, 40913), (753, 37164), (978, 28614), (1004, 27873), (1467, 19076), (1506, 18582), (1956, 14307), (2259, 12388), (2934, 9538), (3012, 9291), (3097, 9036), (4518, 6194), (4769, 5868)]