2019975139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{3617}}^1$

素因数の和:3692

約数の個数: 48

約数和(自身を含む): 2778971328

約数和(自身を除く): 758996189

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 361, 1547, 1729, 2261, 2527, 3617, 4199, 4693, 6137, 25319, 29393, 32851, 42959, 47021, 61489, 68723, 79781, 329147, 430423, 481061, 558467, 799357, 893399, 1168291, 1305737, 5595499, 6253793, 8178037, 9140159, 15187783, 16974581, 22197529, 106314481, 118822067, 155382703, 288567877, 2019975139]

約数ペア:

[(1, 2019975139), (7, 288567877), (13, 155382703), (17, 118822067), (19, 106314481), (91, 22197529), (119, 16974581), (133, 15187783), (221, 9140159), (247, 8178037), (323, 6253793), (361, 5595499), (1547, 1305737), (1729, 1168291), (2261, 893399), (2527, 799357), (3617, 558467), (4199, 481061), (4693, 430423), (6137, 329147), (25319, 79781), (29393, 68723), (32851, 61489), (42959, 47021)]