261519228

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{751}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 702112320

約数和(自身を除く): 440593092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 569, 612, 751, 1138, 1502, 1707, 2253, 2276, 3004, 3414, 4506, 5121, 6759, 6828, 9012, 9673, 10242, 12767, 13518, 19346, 20484, 25534, 27036, 29019, 38301, 38692, 51068, 58038, 76602, 87057, 114903, 116076, 153204, 174114, 229806, 348228, 427319, 459612, 854638, 1281957, 1709276, 2563914, 3845871, 5127828, 7264423, 7691742, 14528846, 15383484, 21793269, 29057692, 43586538, 65379807, 87173076, 130759614, 261519228]

約数ペア:

[(1, 261519228), (2, 130759614), (3, 87173076), (4, 65379807), (6, 43586538), (9, 29057692), (12, 21793269), (17, 15383484), (18, 14528846), (34, 7691742), (36, 7264423), (51, 5127828), (68, 3845871), (102, 2563914), (153, 1709276), (204, 1281957), (306, 854638), (569, 459612), (612, 427319), (751, 348228), (1138, 229806), (1502, 174114), (1707, 153204), (2253, 116076), (2276, 114903), (3004, 87057), (3414, 76602), (4506, 58038), (5121, 51068), (6759, 38692), (6828, 38301), (9012, 29019), (9673, 27036), (10242, 25534), (12767, 20484), (13518, 19346)]