213219748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 450378880

約数和(自身を除く): 237159132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 457, 532, 877, 914, 1754, 1828, 3199, 3508, 6139, 6398, 8683, 12278, 12796, 16663, 17366, 24556, 33326, 34732, 60781, 66652, 116641, 121562, 233282, 243124, 400789, 466564, 801578, 1603156, 2805523, 5611046, 7614991, 11222092, 15229982, 30459964, 53304937, 106609874, 213219748]

約数ペア:

[(1, 213219748), (2, 106609874), (4, 53304937), (7, 30459964), (14, 15229982), (19, 11222092), (28, 7614991), (38, 5611046), (76, 2805523), (133, 1603156), (266, 801578), (457, 466564), (532, 400789), (877, 243124), (914, 233282), (1754, 121562), (1828, 116641), (3199, 66652), (3508, 60781), (6139, 34732), (6398, 33326), (8683, 24556), (12278, 17366), (12796, 16663)]