661820724

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{599}}^1\times {\mathrm{653}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 1714003200

約数和(自身を除く): 1052182476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 599, 653, 846, 1198, 1306, 1692, 1797, 1959, 2396, 2612, 3594, 3918, 5391, 5877, 7188, 7836, 10782, 11754, 21564, 23508, 28153, 30691, 56306, 61382, 84459, 92073, 112612, 122764, 168918, 184146, 253377, 276219, 337836, 368292, 391147, 506754, 552438, 782294, 1013508, 1104876, 1173441, 1564588, 2346882, 3520323, 4693764, 7040646, 14081292, 18383909, 36767818, 55151727, 73535636, 110303454, 165455181, 220606908, 330910362, 661820724]

約数ペア:

[(1, 661820724), (2, 330910362), (3, 220606908), (4, 165455181), (6, 110303454), (9, 73535636), (12, 55151727), (18, 36767818), (36, 18383909), (47, 14081292), (94, 7040646), (141, 4693764), (188, 3520323), (282, 2346882), (423, 1564588), (564, 1173441), (599, 1104876), (653, 1013508), (846, 782294), (1198, 552438), (1306, 506754), (1692, 391147), (1797, 368292), (1959, 337836), (2396, 276219), (2612, 253377), (3594, 184146), (3918, 168918), (5391, 122764), (5877, 112612), (7188, 92073), (7836, 84459), (10782, 61382), (11754, 56306), (21564, 30691), (23508, 28153)]