161805678

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 346816512

約数和(自身を除く): 185010834

約数列:

[1, 2, 3, 6, 31, 47, 62, 83, 93, 94, 141, 166, 186, 223, 249, 282, 446, 498, 669, 1338, 1457, 2573, 2914, 3901, 4371, 5146, 6913, 7719, 7802, 8742, 10481, 11703, 13826, 15438, 18509, 20739, 20962, 23406, 31443, 37018, 41478, 55527, 62886, 111054, 120931, 241862, 324911, 362793, 573779, 649822, 725586, 869923, 974733, 1147558, 1721337, 1739846, 1949466, 2609769, 3442674, 5219538, 26967613, 53935226, 80902839, 161805678]

約数ペア:

[(1, 161805678), (2, 80902839), (3, 53935226), (6, 26967613), (31, 5219538), (47, 3442674), (62, 2609769), (83, 1949466), (93, 1739846), (94, 1721337), (141, 1147558), (166, 974733), (186, 869923), (223, 725586), (249, 649822), (282, 573779), (446, 362793), (498, 324911), (669, 241862), (1338, 120931), (1457, 111054), (2573, 62886), (2914, 55527), (3901, 41478), (4371, 37018), (5146, 31443), (6913, 23406), (7719, 20962), (7802, 20739), (8742, 18509), (10481, 15438), (11703, 13826)]