215231394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 500659200

約数和(自身を除く): 285427806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 163, 211, 298, 326, 422, 447, 489, 633, 894, 978, 1043, 1141, 1266, 1477, 2086, 2282, 2954, 3129, 3423, 4431, 6258, 6846, 8862, 24287, 31439, 34393, 48574, 62878, 68786, 72861, 94317, 103179, 145722, 170009, 188634, 206358, 220073, 240751, 340018, 440146, 481502, 510027, 660219, 722253, 1020054, 1320438, 1444506, 5124557, 10249114, 15373671, 30747342, 35871899, 71743798, 107615697, 215231394]

約数ペア:

[(1, 215231394), (2, 107615697), (3, 71743798), (6, 35871899), (7, 30747342), (14, 15373671), (21, 10249114), (42, 5124557), (149, 1444506), (163, 1320438), (211, 1020054), (298, 722253), (326, 660219), (422, 510027), (447, 481502), (489, 440146), (633, 340018), (894, 240751), (978, 220073), (1043, 206358), (1141, 188634), (1266, 170009), (1477, 145722), (2086, 103179), (2282, 94317), (2954, 72861), (3129, 68786), (3423, 62878), (4431, 48574), (6258, 34393), (6846, 31439), (8862, 24287)]