207849265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 299980800

約数和(自身を除く): 92131535

約数列:

[1, 5, 13, 19, 31, 61, 65, 89, 95, 155, 247, 305, 403, 445, 589, 793, 1157, 1159, 1235, 1691, 1891, 2015, 2759, 2945, 3965, 5429, 5785, 5795, 7657, 8455, 9455, 13795, 15067, 21983, 24583, 27145, 35867, 35929, 38285, 52421, 70577, 75335, 103151, 109915, 122915, 168299, 179335, 179645, 262105, 352885, 467077, 515755, 681473, 841495, 1340963, 2187887, 2335385, 3197681, 3407365, 6704815, 10939435, 15988405, 41569853, 207849265]

約数ペア:

[(1, 207849265), (5, 41569853), (13, 15988405), (19, 10939435), (31, 6704815), (61, 3407365), (65, 3197681), (89, 2335385), (95, 2187887), (155, 1340963), (247, 841495), (305, 681473), (403, 515755), (445, 467077), (589, 352885), (793, 262105), (1157, 179645), (1159, 179335), (1235, 168299), (1691, 122915), (1891, 109915), (2015, 103151), (2759, 75335), (2945, 70577), (3965, 52421), (5429, 38285), (5785, 35929), (5795, 35867), (7657, 27145), (8455, 24583), (9455, 21983), (13795, 15067)]