249442921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 326688768

約数和(自身を除く): 77245847

約数列:

[1, 7, 13, 17, 91, 119, 221, 383, 421, 1547, 2681, 2947, 4979, 5473, 6511, 7157, 34853, 38311, 45577, 50099, 84643, 93041, 161243, 592501, 651287, 1128701, 2096159, 2741131, 14673113, 19187917, 35634703, 249442921]

約数ペア:

[(1, 249442921), (7, 35634703), (13, 19187917), (17, 14673113), (91, 2741131), (119, 2096159), (221, 1128701), (383, 651287), (421, 592501), (1547, 161243), (2681, 93041), (2947, 84643), (4979, 50099), (5473, 45577), (6511, 38311), (7157, 34853)]