216973998

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 501480000

約数和(自身を除く): 284506002

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 349, 397, 522, 698, 783, 794, 1047, 1191, 1566, 2094, 2382, 3141, 3573, 6282, 7146, 9423, 10121, 10719, 11513, 18846, 20242, 21438, 23026, 30363, 34539, 60726, 69078, 91089, 103617, 138553, 182178, 207234, 273267, 277106, 310851, 415659, 546534, 621702, 831318, 1246977, 2493954, 3740931, 4018037, 7481862, 8036074, 12054111, 24108222, 36162333, 72324666, 108486999, 216973998]

約数ペア:

[(1, 216973998), (2, 108486999), (3, 72324666), (6, 36162333), (9, 24108222), (18, 12054111), (27, 8036074), (29, 7481862), (54, 4018037), (58, 3740931), (87, 2493954), (174, 1246977), (261, 831318), (349, 621702), (397, 546534), (522, 415659), (698, 310851), (783, 277106), (794, 273267), (1047, 207234), (1191, 182178), (1566, 138553), (2094, 103617), (2382, 91089), (3141, 69078), (3573, 60726), (6282, 34539), (7146, 30363), (9423, 23026), (10121, 21438), (10719, 20242), (11513, 18846)]