28662272

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 62975880

約数和(自身を除く): 34313608

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 89, 128, 136, 148, 178, 256, 272, 296, 356, 512, 544, 592, 629, 712, 1088, 1184, 1258, 1424, 1513, 2176, 2368, 2516, 2848, 3026, 3293, 4352, 4736, 5032, 5696, 6052, 6586, 8704, 9472, 10064, 11392, 12104, 13172, 18944, 20128, 22784, 24208, 26344, 40256, 45568, 48416, 52688, 55981, 80512, 96832, 105376, 111962, 161024, 193664, 210752, 223924, 322048, 387328, 421504, 447848, 774656, 843008, 895696, 1686016, 1791392, 3582784, 7165568, 14331136, 28662272]

約数ペア:

[(1, 28662272), (2, 14331136), (4, 7165568), (8, 3582784), (16, 1791392), (17, 1686016), (32, 895696), (34, 843008), (37, 774656), (64, 447848), (68, 421504), (74, 387328), (89, 322048), (128, 223924), (136, 210752), (148, 193664), (178, 161024), (256, 111962), (272, 105376), (296, 96832), (356, 80512), (512, 55981), (544, 52688), (592, 48416), (629, 45568), (712, 40256), (1088, 26344), (1184, 24208), (1258, 22784), (1424, 20128), (1513, 18944), (2176, 13172), (2368, 12104), (2516, 11392), (2848, 10064), (3026, 9472), (3293, 8704), (4352, 6586), (4736, 6052), (5032, 5696)]