221415168

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 646034816

約数和(自身を除く): 424619648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 128, 134, 156, 192, 201, 208, 256, 268, 312, 331, 384, 402, 416, 536, 624, 662, 768, 804, 832, 871, 993, 1072, 1248, 1324, 1608, 1664, 1742, 1986, 2144, 2496, 2613, 2648, 3216, 3328, 3484, 3972, 4288, 4303, 4992, 5226, 5296, 6432, 6968, 7944, 8576, 8606, 9984, 10452, 10592, 12864, 12909, 13936, 15888, 17152, 17212, 20904, 21184, 22177, 25728, 25818, 27872, 31776, 34424, 41808, 42368, 44354, 51456, 51636, 55744, 63552, 66531, 68848, 83616, 84736, 88708, 103272, 111488, 127104, 133062, 137696, 167232, 177416, 206544, 222976, 254208, 266124, 275392, 288301, 334464, 354832, 413088, 532248, 550784, 576602, 668928, 709664, 826176, 864903, 1064496, 1101568, 1153204, 1419328, 1652352, 1729806, 2128992, 2306408, 2838656, 3304704, 3459612, 4257984, 4612816, 5677312, 6919224, 8515968, 9225632, 13838448, 17031936, 18451264, 27676896, 36902528, 55353792, 73805056, 110707584, 221415168]

約数ペア:

[(1, 221415168), (2, 110707584), (3, 73805056), (4, 55353792), (6, 36902528), (8, 27676896), (12, 18451264), (13, 17031936), (16, 13838448), (24, 9225632), (26, 8515968), (32, 6919224), (39, 5677312), (48, 4612816), (52, 4257984), (64, 3459612), (67, 3304704), (78, 2838656), (96, 2306408), (104, 2128992), (128, 1729806), (134, 1652352), (156, 1419328), (192, 1153204), (201, 1101568), (208, 1064496), (256, 864903), (268, 826176), (312, 709664), (331, 668928), (384, 576602), (402, 550784), (416, 532248), (536, 413088), (624, 354832), (662, 334464), (768, 288301), (804, 275392), (832, 266124), (871, 254208), (993, 222976), (1072, 206544), (1248, 177416), (1324, 167232), (1608, 137696), (1664, 133062), (1742, 127104), (1986, 111488), (2144, 103272), (2496, 88708), (2613, 84736), (2648, 83616), (3216, 68848), (3328, 66531), (3484, 63552), (3972, 55744), (4288, 51636), (4303, 51456), (4992, 44354), (5226, 42368), (5296, 41808), (6432, 34424), (6968, 31776), (7944, 27872), (8576, 25818), (8606, 25728), (9984, 22177), (10452, 21184), (10592, 20904), (12864, 17212), (12909, 17152), (13936, 15888)]