1288436890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4675

約数の個数: 64

約数和(自身を含む): 2607347232

約数和(自身を除く): 1318910342

約数列:

[1, 2, 5, 10, 13, 26, 41, 53, 65, 82, 106, 130, 205, 265, 410, 530, 533, 689, 1066, 1378, 2173, 2665, 3445, 4346, 4561, 5330, 6890, 9122, 10865, 21730, 22805, 28249, 45610, 56498, 59293, 118586, 141245, 187001, 241733, 282490, 296465, 374002, 483466, 592930, 935005, 1208665, 1870010, 2417330, 2431013, 3142529, 4862026, 6285058, 9911053, 12155065, 15712645, 19822106, 24310130, 31425290, 49555265, 99110530, 128843689, 257687378, 644218445, 1288436890]

約数ペア:

[(1, 1288436890), (2, 644218445), (5, 257687378), (10, 128843689), (13, 99110530), (26, 49555265), (41, 31425290), (53, 24310130), (65, 19822106), (82, 15712645), (106, 12155065), (130, 9911053), (205, 6285058), (265, 4862026), (410, 3142529), (530, 2431013), (533, 2417330), (689, 1870010), (1066, 1208665), (1378, 935005), (2173, 592930), (2665, 483466), (3445, 374002), (4346, 296465), (4561, 282490), (5330, 241733), (6890, 187001), (9122, 141245), (10865, 118586), (21730, 59293), (22805, 56498), (28249, 45610)]