15816812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 15681172

約数列:

[1, 2, 4, 11, 22, 44, 61, 71, 83, 122, 142, 166, 244, 284, 332, 671, 781, 913, 1342, 1562, 1826, 2684, 3124, 3652, 4331, 5063, 5893, 8662, 10126, 11786, 17324, 20252, 23572, 47641, 55693, 64823, 95282, 111386, 129646, 190564, 222772, 259292, 359473, 718946, 1437892, 3954203, 7908406, 15816812]

約数ペア:

[(1, 15816812), (2, 7908406), (4, 3954203), (11, 1437892), (22, 718946), (44, 359473), (61, 259292), (71, 222772), (83, 190564), (122, 129646), (142, 111386), (166, 95282), (244, 64823), (284, 55693), (332, 47641), (671, 23572), (781, 20252), (913, 17324), (1342, 11786), (1562, 10126), (1826, 8662), (2684, 5893), (3124, 5063), (3652, 4331)]