128903904

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23557}}^1$

素因数の和:23592

約数の個数: 72

約数和(自身を含む): 385880040

約数和(自身を除く): 256976136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 23557, 47114, 70671, 94228, 141342, 188456, 212013, 282684, 376912, 424026, 447583, 565368, 753824, 848052, 895166, 1130736, 1342749, 1696104, 1790332, 2261472, 2685498, 3392208, 3580664, 4028247, 5370996, 6784416, 7161328, 8056494, 10741992, 14322656, 16112988, 21483984, 32225976, 42967968, 64451952, 128903904]

約数ペア:

[(1, 128903904), (2, 64451952), (3, 42967968), (4, 32225976), (6, 21483984), (8, 16112988), (9, 14322656), (12, 10741992), (16, 8056494), (18, 7161328), (19, 6784416), (24, 5370996), (32, 4028247), (36, 3580664), (38, 3392208), (48, 2685498), (57, 2261472), (72, 1790332), (76, 1696104), (96, 1342749), (114, 1130736), (144, 895166), (152, 848052), (171, 753824), (228, 565368), (288, 447583), (304, 424026), (342, 376912), (456, 282684), (608, 212013), (684, 188456), (912, 141342), (1368, 94228), (1824, 70671), (2736, 47114), (5472, 23557)]