211581944

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 470722560

約数和(自身を除く): 259140616

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 307, 397, 434, 614, 794, 868, 1228, 1588, 1736, 2149, 2456, 2779, 3176, 4298, 5558, 8596, 9517, 11116, 12307, 17192, 19034, 22232, 24614, 38068, 49228, 66619, 76136, 86149, 98456, 121879, 133238, 172298, 243758, 266476, 344596, 487516, 532952, 689192, 853153, 975032, 1706306, 3412612, 3778249, 6825224, 7556498, 15112996, 26447743, 30225992, 52895486, 105790972, 211581944]

約数ペア:

[(1, 211581944), (2, 105790972), (4, 52895486), (7, 30225992), (8, 26447743), (14, 15112996), (28, 7556498), (31, 6825224), (56, 3778249), (62, 3412612), (124, 1706306), (217, 975032), (248, 853153), (307, 689192), (397, 532952), (434, 487516), (614, 344596), (794, 266476), (868, 243758), (1228, 172298), (1588, 133238), (1736, 121879), (2149, 98456), (2456, 86149), (2779, 76136), (3176, 66619), (4298, 49228), (5558, 38068), (8596, 24614), (9517, 22232), (11116, 19034), (12307, 17192)]